Finding the Third Proportional to 373,078.50 and 799,389

Step by Step Solution

1. Step 1: Write the proportion equation
   373,078.50 : 799,389 = 799,389 : x
2. Step 2: Convert to fraction form
   373,078.50/799,389 = 799,389/x
3. Step 3: Cross multiply
   373,078.50x = 799,389 × 799,389
4. Step 4: Simplify right side
   373,078.50x = 639,022,773,321
5. Step 5: Solve for x
   x = 639,022,773,321/373,078.50
6. Step 6: Final answer
   x = 1,712,837.31