Finding the Third Proportional to 52,280 and 78,908

Step by Step Solution

1. Step 1: Write the proportion equation
   52,280 : 78,908 = 78,908 : x
2. Step 2: Convert to fraction form
   52,280/78,908 = 78,908/x
3. Step 3: Cross multiply
   52,280x = 78,908 × 78,908
4. Step 4: Simplify right side
   52,280x = 6,226,472,464
5. Step 5: Solve for x
   x = 6,226,472,464/52,280
6. Step 6: Final answer
   x = 119,098.56