Finding the Third Proportional to 56,641.78 and 76,647.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,641.78 : 76,647.52 = 76,647.52 : x
2. Step 2: Convert to fraction form
   56,641.78/76,647.52 = 76,647.52/x
3. Step 3: Cross multiply
   56,641.78x = 76,647.52 × 76,647.52
4. Step 4: Simplify right side
   56,641.78x = 5,874,841,651.48
5. Step 5: Solve for x
   x = 5,874,841,651.48/56,641.78
6. Step 6: Final answer
   x = 103,719.22