Finding the Third Proportional to 68,727 and 109,030.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,727 : 109,030.50 = 109,030.50 : x
2. Step 2: Convert to fraction form
   68,727/109,030.50 = 109,030.50/x
3. Step 3: Cross multiply
   68,727x = 109,030.50 × 109,030.50
4. Step 4: Simplify right side
   68,727x = 11,887,649,930.25
5. Step 5: Solve for x
   x = 11,887,649,930.25/68,727
6. Step 6: Final answer
   x = 172,969.14