Finding the Third Proportional to 453,789 and 990,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   453,789 : 990,103.50 = 990,103.50 : x
2. Step 2: Convert to fraction form
   453,789/990,103.50 = 990,103.50/x
3. Step 3: Cross multiply
   453,789x = 990,103.50 × 990,103.50
4. Step 4: Simplify right side
   453,789x = 980,304,940,712.25
5. Step 5: Solve for x
   x = 980,304,940,712.25/453,789
6. Step 6: Final answer
   x = 2,160,265.98