Finding the Third Proportional to 78,187.50 and 152,487

Step by Step Solution

1. Step 1: Write the proportion equation
   78,187.50 : 152,487 = 152,487 : x
2. Step 2: Convert to fraction form
   78,187.50/152,487 = 152,487/x
3. Step 3: Cross multiply
   78,187.50x = 152,487 × 152,487
4. Step 4: Simplify right side
   78,187.50x = 23,252,285,169
5. Step 5: Solve for x
   x = 23,252,285,169/78,187.50
6. Step 6: Final answer
   x = 297,391.34