Finding the Third Proportional to 90,469 and 197,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   90,469 : 197,700.50 = 197,700.50 : x
2. Step 2: Convert to fraction form
   90,469/197,700.50 = 197,700.50/x
3. Step 3: Cross multiply
   90,469x = 197,700.50 × 197,700.50
4. Step 4: Simplify right side
   90,469x = 39,085,487,700.25
5. Step 5: Solve for x
   x = 39,085,487,700.25/90,469
6. Step 6: Final answer
   x = 432,031.83