Finding the Third Proportional to 3,160,128 and 7,003,560

Step by Step Solution

1. Step 1: Write the proportion equation
   3,160,128 : 7,003,560 = 7,003,560 : x
2. Step 2: Convert to fraction form
   3,160,128/7,003,560 = 7,003,560/x
3. Step 3: Cross multiply
   3,160,128x = 7,003,560 × 7,003,560
4. Step 4: Simplify right side
   3,160,128x = 49,049,852,673,600
5. Step 5: Solve for x
   x = 49,049,852,673,600/3,160,128
6. Step 6: Final answer
   x = 15,521,476.56