Finding the Third Proportional to 118,902.50 and 247,646

Step by Step Solution

1. Step 1: Write the proportion equation
   118,902.50 : 247,646 = 247,646 : x
2. Step 2: Convert to fraction form
   118,902.50/247,646 = 247,646/x
3. Step 3: Cross multiply
   118,902.50x = 247,646 × 247,646
4. Step 4: Simplify right side
   118,902.50x = 61,328,541,316
5. Step 5: Solve for x
   x = 61,328,541,316/118,902.50
6. Step 6: Final answer
   x = 515,788.49