Finding the Third Proportional to 118,641 and 247,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,641 : 247,123.50 = 247,123.50 : x
2. Step 2: Convert to fraction form
   118,641/247,123.50 = 247,123.50/x
3. Step 3: Cross multiply
   118,641x = 247,123.50 × 247,123.50
4. Step 4: Simplify right side
   118,641x = 61,070,024,252.25
5. Step 5: Solve for x
   x = 61,070,024,252.25/118,641
6. Step 6: Final answer
   x = 514,746.37