Finding the Third Proportional to 6,108,828 and 12,640,428

Step by Step Solution

1. Step 1: Write the proportion equation
   6,108,828 : 12,640,428 = 12,640,428 : x
2. Step 2: Convert to fraction form
   6,108,828/12,640,428 = 12,640,428/x
3. Step 3: Cross multiply
   6,108,828x = 12,640,428 × 12,640,428
4. Step 4: Simplify right side
   6,108,828x = 159,780,420,023,184
5. Step 5: Solve for x
   x = 159,780,420,023,184/6,108,828
6. Step 6: Final answer
   x = 26,155,658.67