Finding the Third Proportional to 1,618,013,364,241 and 3,520,862,259,494

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,013,364,241 : 3,520,862,259,494 = 3,520,862,259,494 : x
2. Step 2: Convert to fraction form
   1,618,013,364,241/3,520,862,259,494 = 3,520,862,259,494/x
3. Step 3: Cross multiply
   1,618,013,364,241x = 3,520,862,259,494 × 3,520,862,259,494
4. Step 4: Simplify right side
   1,618,013,364,241x = 12,396,471,050,329,196,035,309,568
5. Step 5: Solve for x
   x = 12,396,471,050,329,196,035,309,568/1,618,013,364,241
6. Step 6: Final answer
   x = 7,661,538,108,583.12