Finding the Third Proportional to 77,017.50 and 118,330.88

Step by Step Solution

1. Step 1: Write the proportion equation
   77,017.50 : 118,330.88 = 118,330.88 : x
2. Step 2: Convert to fraction form
   77,017.50/118,330.88 = 118,330.88/x
3. Step 3: Cross multiply
   77,017.50x = 118,330.88 × 118,330.88
4. Step 4: Simplify right side
   77,017.50x = 14,002,195,978.27
5. Step 5: Solve for x
   x = 14,002,195,978.27/77,017.50
6. Step 6: Final answer
   x = 181,805.38