Finding the Third Proportional to 78,337.50 and 114,155.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,337.50 : 114,155.50 = 114,155.50 : x
2. Step 2: Convert to fraction form
   78,337.50/114,155.50 = 114,155.50/x
3. Step 3: Cross multiply
   78,337.50x = 114,155.50 × 114,155.50
4. Step 4: Simplify right side
   78,337.50x = 13,031,478,180.25
5. Step 5: Solve for x
   x = 13,031,478,180.25/78,337.50
6. Step 6: Final answer
   x = 166,350.45