Finding the Third Proportional to 490,645 and 730,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   490,645 : 730,783.50 = 730,783.50 : x
2. Step 2: Convert to fraction form
   490,645/730,783.50 = 730,783.50/x
3. Step 3: Cross multiply
   490,645x = 730,783.50 × 730,783.50
4. Step 4: Simplify right side
   490,645x = 534,044,523,872.25
5. Step 5: Solve for x
   x = 534,044,523,872.25/490,645
6. Step 6: Final answer
   x = 1,088,454.02