Finding the Third Proportional to 118,776 and 247,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,776 : 247,382.50 = 247,382.50 : x
2. Step 2: Convert to fraction form
   118,776/247,382.50 = 247,382.50/x
3. Step 3: Cross multiply
   118,776x = 247,382.50 × 247,382.50
4. Step 4: Simplify right side
   118,776x = 61,198,101,306.25
5. Step 5: Solve for x
   x = 61,198,101,306.25/118,776
6. Step 6: Final answer
   x = 515,239.62