Finding the Third Proportional to 314,761.50 and 679,779

Step by Step Solution

1. Step 1: Write the proportion equation
   314,761.50 : 679,779 = 679,779 : x
2. Step 2: Convert to fraction form
   314,761.50/679,779 = 679,779/x
3. Step 3: Cross multiply
   314,761.50x = 679,779 × 679,779
4. Step 4: Simplify right side
   314,761.50x = 462,099,488,841
5. Step 5: Solve for x
   x = 462,099,488,841/314,761.50
6. Step 6: Final answer
   x = 1,468,094.06