Finding the Third Proportional to 489,714 and 693,565.50

Step by Step Solution

1. Step 1: Write the proportion equation
   489,714 : 693,565.50 = 693,565.50 : x
2. Step 2: Convert to fraction form
   489,714/693,565.50 = 693,565.50/x
3. Step 3: Cross multiply
   489,714x = 693,565.50 × 693,565.50
4. Step 4: Simplify right side
   489,714x = 481,033,102,790.25
5. Step 5: Solve for x
   x = 481,033,102,790.25/489,714
6. Step 6: Final answer
   x = 982,273.54