Finding the Third Proportional to 914,432 and 1,421,472

Step by Step Solution

1. Step 1: Write the proportion equation
   914,432 : 1,421,472 = 1,421,472 : x
2. Step 2: Convert to fraction form
   914,432/1,421,472 = 1,421,472/x
3. Step 3: Cross multiply
   914,432x = 1,421,472 × 1,421,472
4. Step 4: Simplify right side
   914,432x = 2,020,582,646,784
5. Step 5: Solve for x
   x = 2,020,582,646,784/914,432
6. Step 6: Final answer
   x = 2,209,658.72