Finding the Third Proportional to 81,796.50 and 130,470.75

Step by Step Solution

1. Step 1: Write the proportion equation
   81,796.50 : 130,470.75 = 130,470.75 : x
2. Step 2: Convert to fraction form
   81,796.50/130,470.75 = 130,470.75/x
3. Step 3: Cross multiply
   81,796.50x = 130,470.75 × 130,470.75
4. Step 4: Simplify right side
   81,796.50x = 17,022,616,605.56
5. Step 5: Solve for x
   x = 17,022,616,605.56/81,796.50
6. Step 6: Final answer
   x = 208,109.35