Finding the Third Proportional to 90,337.50 and 193,131

Step by Step Solution

1. Step 1: Write the proportion equation
   90,337.50 : 193,131 = 193,131 : x
2. Step 2: Convert to fraction form
   90,337.50/193,131 = 193,131/x
3. Step 3: Cross multiply
   90,337.50x = 193,131 × 193,131
4. Step 4: Simplify right side
   90,337.50x = 37,299,583,161
5. Step 5: Solve for x
   x = 37,299,583,161/90,337.50
6. Step 6: Final answer
   x = 412,891.47