Finding the Third Proportional to 658,966 and 1,438,784

Step by Step Solution

1. Step 1: Write the proportion equation
   658,966 : 1,438,784 = 1,438,784 : x
2. Step 2: Convert to fraction form
   658,966/1,438,784 = 1,438,784/x
3. Step 3: Cross multiply
   658,966x = 1,438,784 × 1,438,784
4. Step 4: Simplify right side
   658,966x = 2,070,099,398,656
5. Step 5: Solve for x
   x = 2,070,099,398,656/658,966
6. Step 6: Final answer
   x = 3,141,435.82