Finding the Third Proportional to 2,421,534 and 5,315,388

Step by Step Solution

1. Step 1: Write the proportion equation
   2,421,534 : 5,315,388 = 5,315,388 : x
2. Step 2: Convert to fraction form
   2,421,534/5,315,388 = 5,315,388/x
3. Step 3: Cross multiply
   2,421,534x = 5,315,388 × 5,315,388
4. Step 4: Simplify right side
   2,421,534x = 28,253,349,590,544
5. Step 5: Solve for x
   x = 28,253,349,590,544/2,421,534
6. Step 6: Final answer
   x = 11,667,541.98