Finding the Third Proportional to 677,843 and 1,050,238.50

Step by Step Solution

1. Step 1: Write the proportion equation
   677,843 : 1,050,238.50 = 1,050,238.50 : x
2. Step 2: Convert to fraction form
   677,843/1,050,238.50 = 1,050,238.50/x
3. Step 3: Cross multiply
   677,843x = 1,050,238.50 × 1,050,238.50
4. Step 4: Simplify right side
   677,843x = 1,103,000,906,882.25
5. Step 5: Solve for x
   x = 1,103,000,906,882.25/677,843
6. Step 6: Final answer
   x = 1,627,221.80