Finding the Third Proportional to 90,301.50 and 193,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,301.50 : 193,108.50 = 193,108.50 : x
2. Step 2: Convert to fraction form
   90,301.50/193,108.50 = 193,108.50/x
3. Step 3: Cross multiply
   90,301.50x = 193,108.50 × 193,108.50
4. Step 4: Simplify right side
   90,301.50x = 37,290,892,772.25
5. Step 5: Solve for x
   x = 37,290,892,772.25/90,301.50
6. Step 6: Final answer
   x = 412,959.84