Finding the Third Proportional to 48,706.31 and 72,864.56

Step by Step Solution

1. Step 1: Write the proportion equation
   48,706.31 : 72,864.56 = 72,864.56 : x
2. Step 2: Convert to fraction form
   48,706.31/72,864.56 = 72,864.56/x
3. Step 3: Cross multiply
   48,706.31x = 72,864.56 × 72,864.56
4. Step 4: Simplify right side
   48,706.31x = 5,309,244,468.32
5. Step 5: Solve for x
   x = 5,309,244,468.32/48,706.31
6. Step 6: Final answer
   x = 109,005.26