Finding the Third Proportional to 196,838 and 431,082.50

Step by Step Solution

1. Step 1: Write the proportion equation
   196,838 : 431,082.50 = 431,082.50 : x
2. Step 2: Convert to fraction form
   196,838/431,082.50 = 431,082.50/x
3. Step 3: Cross multiply
   196,838x = 431,082.50 × 431,082.50
4. Step 4: Simplify right side
   196,838x = 185,832,121,806.25
5. Step 5: Solve for x
   x = 185,832,121,806.25/196,838
6. Step 6: Final answer
   x = 944,086.62