Finding the Third Proportional to 103,663 and 140,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,663 : 140,660.50 = 140,660.50 : x
2. Step 2: Convert to fraction form
   103,663/140,660.50 = 140,660.50/x
3. Step 3: Cross multiply
   103,663x = 140,660.50 × 140,660.50
4. Step 4: Simplify right side
   103,663x = 19,785,376,260.25
5. Step 5: Solve for x
   x = 19,785,376,260.25/103,663
6. Step 6: Final answer
   x = 190,862.47