Finding the Third Proportional to 40,694.91 and 84,508.31

Step by Step Solution

1. Step 1: Write the proportion equation
   40,694.91 : 84,508.31 = 84,508.31 : x
2. Step 2: Convert to fraction form
   40,694.91/84,508.31 = 84,508.31/x
3. Step 3: Cross multiply
   40,694.91x = 84,508.31 × 84,508.31
4. Step 4: Simplify right side
   40,694.91x = 7,141,654,881.60
5. Step 5: Solve for x
   x = 7,141,654,881.60/40,694.91
6. Step 6: Final answer
   x = 175,492.60