Finding the Third Proportional to 85,843.50 and 130,521

Step by Step Solution

1. Step 1: Write the proportion equation
   85,843.50 : 130,521 = 130,521 : x
2. Step 2: Convert to fraction form
   85,843.50/130,521 = 130,521/x
3. Step 3: Cross multiply
   85,843.50x = 130,521 × 130,521
4. Step 4: Simplify right side
   85,843.50x = 17,035,731,441
5. Step 5: Solve for x
   x = 17,035,731,441/85,843.50
6. Step 6: Final answer
   x = 198,451.04