Finding the Third Proportional to 52,279.17 and 78,908.55

Step by Step Solution

1. Step 1: Write the proportion equation
   52,279.17 : 78,908.55 = 78,908.55 : x
2. Step 2: Convert to fraction form
   52,279.17/78,908.55 = 78,908.55/x
3. Step 3: Cross multiply
   52,279.17x = 78,908.55 × 78,908.55
4. Step 4: Simplify right side
   52,279.17x = 6,226,560,002.87
5. Step 5: Solve for x
   x = 6,226,560,002.87/52,279.17
6. Step 6: Final answer
   x = 119,102.12