Finding the Third Proportional to 499,348 and 706,562.50

Step by Step Solution

1. Step 1: Write the proportion equation
   499,348 : 706,562.50 = 706,562.50 : x
2. Step 2: Convert to fraction form
   499,348/706,562.50 = 706,562.50/x
3. Step 3: Cross multiply
   499,348x = 706,562.50 × 706,562.50
4. Step 4: Simplify right side
   499,348x = 499,230,566,406.25
5. Step 5: Solve for x
   x = 499,230,566,406.25/499,348
6. Step 6: Final answer
   x = 999,764.83