Finding the Third Proportional to 445,233.75 and 990,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   445,233.75 : 990,124.50 = 990,124.50 : x
2. Step 2: Convert to fraction form
   445,233.75/990,124.50 = 990,124.50/x
3. Step 3: Cross multiply
   445,233.75x = 990,124.50 × 990,124.50
4. Step 4: Simplify right side
   445,233.75x = 980,346,525,500.25
5. Step 5: Solve for x
   x = 980,346,525,500.25/445,233.75
6. Step 6: Final answer
   x = 2,201,869.30