Finding the Third Proportional to 1,350,452 and 2,138,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350,452 : 2,138,432 = 2,138,432 : x
2. Step 2: Convert to fraction form
   1,350,452/2,138,432 = 2,138,432/x
3. Step 3: Cross multiply
   1,350,452x = 2,138,432 × 2,138,432
4. Step 4: Simplify right side
   1,350,452x = 4,572,891,418,624
5. Step 5: Solve for x
   x = 4,572,891,418,624/1,350,452
6. Step 6: Final answer
   x = 3,386,193.23