Finding the Third Proportional to 453,451.50 and 988,551

Step by Step Solution

1. Step 1: Write the proportion equation
   453,451.50 : 988,551 = 988,551 : x
2. Step 2: Convert to fraction form
   453,451.50/988,551 = 988,551/x
3. Step 3: Cross multiply
   453,451.50x = 988,551 × 988,551
4. Step 4: Simplify right side
   453,451.50x = 977,233,079,601
5. Step 5: Solve for x
   x = 977,233,079,601/453,451.50
6. Step 6: Final answer
   x = 2,155,099.45