Finding the Third Proportional to 453,461 and 989,815.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,461 : 989,815.50 = 989,815.50 : x
2. Step 2: Convert to fraction form
   453,461/989,815.50 = 989,815.50/x
3. Step 3: Cross multiply
   453,461x = 989,815.50 × 989,815.50
4. Step 4: Simplify right side
   453,461x = 979,734,724,040.25
5. Step 5: Solve for x
   x = 979,734,724,040.25/453,461
6. Step 6: Final answer
   x = 2,160,571.08