Finding the Third Proportional to 85,473 and 132,691.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,473 : 132,691.50 = 132,691.50 : x
2. Step 2: Convert to fraction form
   85,473/132,691.50 = 132,691.50/x
3. Step 3: Cross multiply
   85,473x = 132,691.50 × 132,691.50
4. Step 4: Simplify right side
   85,473x = 17,607,034,172.25
5. Step 5: Solve for x
   x = 17,607,034,172.25/85,473
6. Step 6: Final answer
   x = 205,995.28