Finding the Third Proportional to 3,407,250 and 7,287,257

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407,250 : 7,287,257 = 7,287,257 : x
2. Step 2: Convert to fraction form
   3,407,250/7,287,257 = 7,287,257/x
3. Step 3: Cross multiply
   3,407,250x = 7,287,257 × 7,287,257
4. Step 4: Simplify right side
   3,407,250x = 53,104,114,584,049
5. Step 5: Solve for x
   x = 53,104,114,584,049/3,407,250
6. Step 6: Final answer
   x = 15,585,623.18