Finding the Third Proportional to 1,222,898 and 2,500,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,222,898 : 2,500,216 = 2,500,216 : x
2. Step 2: Convert to fraction form
   1,222,898/2,500,216 = 2,500,216/x
3. Step 3: Cross multiply
   1,222,898x = 2,500,216 × 2,500,216
4. Step 4: Simplify right side
   1,222,898x = 6,251,080,046,656
5. Step 5: Solve for x
   x = 6,251,080,046,656/1,222,898
6. Step 6: Final answer
   x = 5,111,693.74