Finding the Third Proportional to 790,500 and 1,222,758

Step by Step Solution

1. Step 1: Write the proportion equation
   790,500 : 1,222,758 = 1,222,758 : x
2. Step 2: Convert to fraction form
   790,500/1,222,758 = 1,222,758/x
3. Step 3: Cross multiply
   790,500x = 1,222,758 × 1,222,758
4. Step 4: Simplify right side
   790,500x = 1,495,137,126,564
5. Step 5: Solve for x
   x = 1,495,137,126,564/790,500
6. Step 6: Final answer
   x = 1,891,381.56