Finding the Third Proportional to 83,490.75 and 116,791.88

Step by Step Solution

1. Step 1: Write the proportion equation
   83,490.75 : 116,791.88 = 116,791.88 : x
2. Step 2: Convert to fraction form
   83,490.75/116,791.88 = 116,791.88/x
3. Step 3: Cross multiply
   83,490.75x = 116,791.88 × 116,791.88
4. Step 4: Simplify right side
   83,490.75x = 13,640,342,066.02
5. Step 5: Solve for x
   x = 13,640,342,066.02/83,490.75
6. Step 6: Final answer
   x = 163,375.49