Finding the Third Proportional to 360,118.50 and 773,613

Step by Step Solution

1. Step 1: Write the proportion equation
   360,118.50 : 773,613 = 773,613 : x
2. Step 2: Convert to fraction form
   360,118.50/773,613 = 773,613/x
3. Step 3: Cross multiply
   360,118.50x = 773,613 × 773,613
4. Step 4: Simplify right side
   360,118.50x = 598,477,073,769
5. Step 5: Solve for x
   x = 598,477,073,769/360,118.50
6. Step 6: Final answer
   x = 1,661,889.28