Finding the Third Proportional to 499,441.50 and 706,698

Step by Step Solution

1. Step 1: Write the proportion equation
   499,441.50 : 706,698 = 706,698 : x
2. Step 2: Convert to fraction form
   499,441.50/706,698 = 706,698/x
3. Step 3: Cross multiply
   499,441.50x = 706,698 × 706,698
4. Step 4: Simplify right side
   499,441.50x = 499,422,063,204
5. Step 5: Solve for x
   x = 499,422,063,204/499,441.50
6. Step 6: Final answer
   x = 999,961.08