Finding the Third Proportional to 52,553.18 and 78,752.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,553.18 : 78,752.88 = 78,752.88 : x
2. Step 2: Convert to fraction form
   52,553.18/78,752.88 = 78,752.88/x
3. Step 3: Cross multiply
   52,553.18x = 78,752.88 × 78,752.88
4. Step 4: Simplify right side
   52,553.18x = 6,202,016,551.28
5. Step 5: Solve for x
   x = 6,202,016,551.28/52,553.18
6. Step 6: Final answer
   x = 118,014.11