Finding the Third Proportional to 2,197,364 and 5,291,828

Step by Step Solution

1. Step 1: Write the proportion equation
   2,197,364 : 5,291,828 = 5,291,828 : x
2. Step 2: Convert to fraction form
   2,197,364/5,291,828 = 5,291,828/x
3. Step 3: Cross multiply
   2,197,364x = 5,291,828 × 5,291,828
4. Step 4: Simplify right side
   2,197,364x = 28,003,443,581,584
5. Step 5: Solve for x
   x = 28,003,443,581,584/2,197,364
6. Step 6: Final answer
   x = 12,744,107.75