Finding the Third Proportional to 1,214,478 and 2,665,146

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,478 : 2,665,146 = 2,665,146 : x
2. Step 2: Convert to fraction form
   1,214,478/2,665,146 = 2,665,146/x
3. Step 3: Cross multiply
   1,214,478x = 2,665,146 × 2,665,146
4. Step 4: Simplify right side
   1,214,478x = 7,103,003,201,316
5. Step 5: Solve for x
   x = 7,103,003,201,316/1,214,478
6. Step 6: Final answer
   x = 5,848,605.90