Finding the Third Proportional to 5,068,640 and 10,496,560

Step by Step Solution

1. Step 1: Write the proportion equation
   5,068,640 : 10,496,560 = 10,496,560 : x
2. Step 2: Convert to fraction form
   5,068,640/10,496,560 = 10,496,560/x
3. Step 3: Cross multiply
   5,068,640x = 10,496,560 × 10,496,560
4. Step 4: Simplify right side
   5,068,640x = 110,177,771,833,600
5. Step 5: Solve for x
   x = 110,177,771,833,600/5,068,640
6. Step 6: Final answer
   x = 21,737,146.82