Finding the Third Proportional to 5,921,448 and 12,913,792

Step by Step Solution

1. Step 1: Write the proportion equation
   5,921,448 : 12,913,792 = 12,913,792 : x
2. Step 2: Convert to fraction form
   5,921,448/12,913,792 = 12,913,792/x
3. Step 3: Cross multiply
   5,921,448x = 12,913,792 × 12,913,792
4. Step 4: Simplify right side
   5,921,448x = 166,766,023,819,264
5. Step 5: Solve for x
   x = 166,766,023,819,264/5,921,448
6. Step 6: Final answer
   x = 28,163,047.93