Finding the Third Proportional to 197,969.50 and 431,672

Step by Step Solution

1. Step 1: Write the proportion equation
   197,969.50 : 431,672 = 431,672 : x
2. Step 2: Convert to fraction form
   197,969.50/431,672 = 431,672/x
3. Step 3: Cross multiply
   197,969.50x = 431,672 × 431,672
4. Step 4: Simplify right side
   197,969.50x = 186,340,715,584
5. Step 5: Solve for x
   x = 186,340,715,584/197,969.50
6. Step 6: Final answer
   x = 941,259.72