Finding the Third Proportional to 356,926.50 and 772,659

Step by Step Solution

1. Step 1: Write the proportion equation
   356,926.50 : 772,659 = 772,659 : x
2. Step 2: Convert to fraction form
   356,926.50/772,659 = 772,659/x
3. Step 3: Cross multiply
   356,926.50x = 772,659 × 772,659
4. Step 4: Simplify right side
   356,926.50x = 597,001,930,281
5. Step 5: Solve for x
   x = 597,001,930,281/356,926.50
6. Step 6: Final answer
   x = 1,672,618.68