Finding the Third Proportional to 100,872 and 148,387.50

Step by Step Solution

1. Step 1: Write the proportion equation
   100,872 : 148,387.50 = 148,387.50 : x
2. Step 2: Convert to fraction form
   100,872/148,387.50 = 148,387.50/x
3. Step 3: Cross multiply
   100,872x = 148,387.50 × 148,387.50
4. Step 4: Simplify right side
   100,872x = 22,018,850,156.25
5. Step 5: Solve for x
   x = 22,018,850,156.25/100,872
6. Step 6: Final answer
   x = 218,285.06