Finding the Third Proportional to 43,612.50 and 65,418.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,612.50 : 65,418.75 = 65,418.75 : x
2. Step 2: Convert to fraction form
   43,612.50/65,418.75 = 65,418.75/x
3. Step 3: Cross multiply
   43,612.50x = 65,418.75 × 65,418.75
4. Step 4: Simplify right side
   43,612.50x = 4,279,612,851.56
5. Step 5: Solve for x
   x = 4,279,612,851.56/43,612.50
6. Step 6: Final answer
   x = 98,128.13