Finding the Third Proportional to 91,162.50 and 138,001.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,162.50 : 138,001.50 = 138,001.50 : x
2. Step 2: Convert to fraction form
   91,162.50/138,001.50 = 138,001.50/x
3. Step 3: Cross multiply
   91,162.50x = 138,001.50 × 138,001.50
4. Step 4: Simplify right side
   91,162.50x = 19,044,414,002.25
5. Step 5: Solve for x
   x = 19,044,414,002.25/91,162.50
6. Step 6: Final answer
   x = 208,906.23