Finding the Third Proportional to 43,117.31 and 65,404.97

Step by Step Solution

1. Step 1: Write the proportion equation
   43,117.31 : 65,404.97 = 65,404.97 : x
2. Step 2: Convert to fraction form
   43,117.31/65,404.97 = 65,404.97/x
3. Step 3: Cross multiply
   43,117.31x = 65,404.97 × 65,404.97
4. Step 4: Simplify right side
   43,117.31x = 4,277,809,937.19
5. Step 5: Solve for x
   x = 4,277,809,937.19/43,117.31
6. Step 6: Final answer
   x = 99,213.28