Finding the Third Proportional to 108,142.50 and 236,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,142.50 : 236,647.50 = 236,647.50 : x
2. Step 2: Convert to fraction form
   108,142.50/236,647.50 = 236,647.50/x
3. Step 3: Cross multiply
   108,142.50x = 236,647.50 × 236,647.50
4. Step 4: Simplify right side
   108,142.50x = 56,002,039,256.25
5. Step 5: Solve for x
   x = 56,002,039,256.25/108,142.50
6. Step 6: Final answer
   x = 517,854.12