Finding the Third Proportional to 197,970.50 and 431,674

Step by Step Solution

1. Step 1: Write the proportion equation
   197,970.50 : 431,674 = 431,674 : x
2. Step 2: Convert to fraction form
   197,970.50/431,674 = 431,674/x
3. Step 3: Cross multiply
   197,970.50x = 431,674 × 431,674
4. Step 4: Simplify right side
   197,970.50x = 186,342,442,276
5. Step 5: Solve for x
   x = 186,342,442,276/197,970.50
6. Step 6: Final answer
   x = 941,263.68