Finding the Third Proportional to 49,200.63 and 78,326.13

Step by Step Solution

1. Step 1: Write the proportion equation
   49,200.63 : 78,326.13 = 78,326.13 : x
2. Step 2: Convert to fraction form
   49,200.63/78,326.13 = 78,326.13/x
3. Step 3: Cross multiply
   49,200.63x = 78,326.13 × 78,326.13
4. Step 4: Simplify right side
   49,200.63x = 6,134,981,857.52
5. Step 5: Solve for x
   x = 6,134,981,857.52/49,200.63
6. Step 6: Final answer
   x = 124,693.17