Finding the Third Proportional to 453,435 and 989,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,435 : 989,761.50 = 989,761.50 : x
2. Step 2: Convert to fraction form
   453,435/989,761.50 = 989,761.50/x
3. Step 3: Cross multiply
   453,435x = 989,761.50 × 989,761.50
4. Step 4: Simplify right side
   453,435x = 979,627,826,882.25
5. Step 5: Solve for x
   x = 979,627,826,882.25/453,435
6. Step 6: Final answer
   x = 2,160,459.22