Finding the Third Proportional to 296,842.50 and 700,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   296,842.50 : 700,039.50 = 700,039.50 : x
2. Step 2: Convert to fraction form
   296,842.50/700,039.50 = 700,039.50/x
3. Step 3: Cross multiply
   296,842.50x = 700,039.50 × 700,039.50
4. Step 4: Simplify right side
   296,842.50x = 490,055,301,560.25
5. Step 5: Solve for x
   x = 490,055,301,560.25/296,842.50
6. Step 6: Final answer
   x = 1,650,893.32