Finding the Third Proportional to 1,034,712 and 1,390,472

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034,712 : 1,390,472 = 1,390,472 : x
2. Step 2: Convert to fraction form
   1,034,712/1,390,472 = 1,390,472/x
3. Step 3: Cross multiply
   1,034,712x = 1,390,472 × 1,390,472
4. Step 4: Simplify right side
   1,034,712x = 1,933,412,382,784
5. Step 5: Solve for x
   x = 1,933,412,382,784/1,034,712
6. Step 6: Final answer
   x = 1,868,551.23