Finding the Third Proportional to 103,521 and 141,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   103,521 : 141,430.50 = 141,430.50 : x
2. Step 2: Convert to fraction form
   103,521/141,430.50 = 141,430.50/x
3. Step 3: Cross multiply
   103,521x = 141,430.50 × 141,430.50
4. Step 4: Simplify right side
   103,521x = 20,002,586,330.25
5. Step 5: Solve for x
   x = 20,002,586,330.25/103,521
6. Step 6: Final answer
   x = 193,222.50