Finding the Third Proportional to 76,362.75 and 109,080.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,362.75 : 109,080.42 = 109,080.42 : x
2. Step 2: Convert to fraction form
   76,362.75/109,080.42 = 109,080.42/x
3. Step 3: Cross multiply
   76,362.75x = 109,080.42 × 109,080.42
4. Step 4: Simplify right side
   76,362.75x = 11,898,538,436.43
5. Step 5: Solve for x
   x = 11,898,538,436.43/76,362.75
6. Step 6: Final answer
   x = 155,816.00