Finding the Third Proportional to 42,432 and 62,406

Step by Step Solution

1. Step 1: Write the proportion equation
   42,432 : 62,406 = 62,406 : x
2. Step 2: Convert to fraction form
   42,432/62,406 = 62,406/x
3. Step 3: Cross multiply
   42,432x = 62,406 × 62,406
4. Step 4: Simplify right side
   42,432x = 3,894,508,836
5. Step 5: Solve for x
   x = 3,894,508,836/42,432
6. Step 6: Final answer
   x = 91,782.35