Finding the Third Proportional to 453,426.75 and 989,748

Step by Step Solution

1. Step 1: Write the proportion equation
   453,426.75 : 989,748 = 989,748 : x
2. Step 2: Convert to fraction form
   453,426.75/989,748 = 989,748/x
3. Step 3: Cross multiply
   453,426.75x = 989,748 × 989,748
4. Step 4: Simplify right side
   453,426.75x = 979,601,103,504
5. Step 5: Solve for x
   x = 979,601,103,504/453,426.75
6. Step 6: Final answer
   x = 2,160,439.59