Finding the Third Proportional to 1,215,768 and 2,814,522

Step by Step Solution

1. Step 1: Write the proportion equation
   1,215,768 : 2,814,522 = 2,814,522 : x
2. Step 2: Convert to fraction form
   1,215,768/2,814,522 = 2,814,522/x
3. Step 3: Cross multiply
   1,215,768x = 2,814,522 × 2,814,522
4. Step 4: Simplify right side
   1,215,768x = 7,921,534,088,484
5. Step 5: Solve for x
   x = 7,921,534,088,484/1,215,768
6. Step 6: Final answer
   x = 6,515,662.60