Finding the Third Proportional to 3,128,224 and 6,854,390

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128,224 : 6,854,390 = 6,854,390 : x
2. Step 2: Convert to fraction form
   3,128,224/6,854,390 = 6,854,390/x
3. Step 3: Cross multiply
   3,128,224x = 6,854,390 × 6,854,390
4. Step 4: Simplify right side
   3,128,224x = 46,982,662,272,100
5. Step 5: Solve for x
   x = 46,982,662,272,100/3,128,224
6. Step 6: Final answer
   x = 15,018,957.17