Finding the Third Proportional to 456,238.50 and 992,747.25

Step by Step Solution

1. Step 1: Write the proportion equation
   456,238.50 : 992,747.25 = 992,747.25 : x
2. Step 2: Convert to fraction form
   456,238.50/992,747.25 = 992,747.25/x
3. Step 3: Cross multiply
   456,238.50x = 992,747.25 × 992,747.25
4. Step 4: Simplify right side
   456,238.50x = 985,547,102,382.56
5. Step 5: Solve for x
   x = 985,547,102,382.56/456,238.50
6. Step 6: Final answer
   x = 2,160,157.69