Finding the Third Proportional to 456,895.13 and 990,061.88

Step by Step Solution

1. Step 1: Write the proportion equation
   456,895.13 : 990,061.88 = 990,061.88 : x
2. Step 2: Convert to fraction form
   456,895.13/990,061.88 = 990,061.88/x
3. Step 3: Cross multiply
   456,895.13x = 990,061.88 × 990,061.88
4. Step 4: Simplify right side
   456,895.13x = 980,222,516,328.52
5. Step 5: Solve for x
   x = 980,222,516,328.52/456,895.13
6. Step 6: Final answer
   x = 2,145,399.38