Finding the Third Proportional to 5,899,113,266 and 12,639,654,485

Step by Step Solution

1. Step 1: Write the proportion equation
   5,899,113,266 : 12,639,654,485 = 12,639,654,485 : x
2. Step 2: Convert to fraction form
   5,899,113,266/12,639,654,485 = 12,639,654,485/x
3. Step 3: Cross multiply
   5,899,113,266x = 12,639,654,485 × 12,639,654,485
4. Step 4: Simplify right side
   5,899,113,266x = 159,760,865,500,180,611,072
5. Step 5: Solve for x
   x = 159,760,865,500,180,611,072/5,899,113,266
6. Step 6: Final answer
   x = 27,082,183,083.51