Finding the Third Proportional to 118,860 and 247,588.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,860 : 247,588.50 = 247,588.50 : x
2. Step 2: Convert to fraction form
   118,860/247,588.50 = 247,588.50/x
3. Step 3: Cross multiply
   118,860x = 247,588.50 × 247,588.50
4. Step 4: Simplify right side
   118,860x = 61,300,065,332.25
5. Step 5: Solve for x
   x = 61,300,065,332.25/118,860
6. Step 6: Final answer
   x = 515,733.34