Finding the Third Proportional to 794,478 and 1,215,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   794,478 : 1,215,559.50 = 1,215,559.50 : x
2. Step 2: Convert to fraction form
   794,478/1,215,559.50 = 1,215,559.50/x
3. Step 3: Cross multiply
   794,478x = 1,215,559.50 × 1,215,559.50
4. Step 4: Simplify right side
   794,478x = 1,477,584,898,040.25
5. Step 5: Solve for x
   x = 1,477,584,898,040.25/794,478
6. Step 6: Final answer
   x = 1,859,818.52