Finding the Third Proportional to 488,673 and 755,122.50

Step by Step Solution

1. Step 1: Write the proportion equation
   488,673 : 755,122.50 = 755,122.50 : x
2. Step 2: Convert to fraction form
   488,673/755,122.50 = 755,122.50/x
3. Step 3: Cross multiply
   488,673x = 755,122.50 × 755,122.50
4. Step 4: Simplify right side
   488,673x = 570,209,990,006.25
5. Step 5: Solve for x
   x = 570,209,990,006.25/488,673
6. Step 6: Final answer
   x = 1,166,853.89