Finding the Third Proportional to 159,432 and 243,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   159,432 : 243,385.50 = 243,385.50 : x
2. Step 2: Convert to fraction form
   159,432/243,385.50 = 243,385.50/x
3. Step 3: Cross multiply
   159,432x = 243,385.50 × 243,385.50
4. Step 4: Simplify right side
   159,432x = 59,236,501,610.25
5. Step 5: Solve for x
   x = 59,236,501,610.25/159,432
6. Step 6: Final answer
   x = 371,547.13