Finding the Third Proportional to 354,661.50 and 788,055

Step by Step Solution

1. Step 1: Write the proportion equation
   354,661.50 : 788,055 = 788,055 : x
2. Step 2: Convert to fraction form
   354,661.50/788,055 = 788,055/x
3. Step 3: Cross multiply
   354,661.50x = 788,055 × 788,055
4. Step 4: Simplify right side
   354,661.50x = 621,030,683,025
5. Step 5: Solve for x
   x = 621,030,683,025/354,661.50
6. Step 6: Final answer
   x = 1,751,051.87