Finding the Third Proportional to 162,432 and 251,032.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,432 : 251,032.50 = 251,032.50 : x
2. Step 2: Convert to fraction form
   162,432/251,032.50 = 251,032.50/x
3. Step 3: Cross multiply
   162,432x = 251,032.50 × 251,032.50
4. Step 4: Simplify right side
   162,432x = 63,017,316,056.25
5. Step 5: Solve for x
   x = 63,017,316,056.25/162,432
6. Step 6: Final answer
   x = 387,961.21