Finding the Third Proportional to 40,966.31 and 55,348.59

Step by Step Solution

1. Step 1: Write the proportion equation
   40,966.31 : 55,348.59 = 55,348.59 : x
2. Step 2: Convert to fraction form
   40,966.31/55,348.59 = 55,348.59/x
3. Step 3: Cross multiply
   40,966.31x = 55,348.59 × 55,348.59
4. Step 4: Simplify right side
   40,966.31x = 3,063,466,830.10
5. Step 5: Solve for x
   x = 3,063,466,830.10/40,966.31
6. Step 6: Final answer
   x = 74,780.15