Finding the Third Proportional to 3,407,260 and 7,287,276

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407,260 : 7,287,276 = 7,287,276 : x
2. Step 2: Convert to fraction form
   3,407,260/7,287,276 = 7,287,276/x
3. Step 3: Cross multiply
   3,407,260x = 7,287,276 × 7,287,276
4. Step 4: Simplify right side
   3,407,260x = 53,104,391,500,176
5. Step 5: Solve for x
   x = 53,104,391,500,176/3,407,260
6. Step 6: Final answer
   x = 15,585,658.71