Finding the Third Proportional to 3,181,308 and 4,818,270

Step by Step Solution

1. Step 1: Write the proportion equation
   3,181,308 : 4,818,270 = 4,818,270 : x
2. Step 2: Convert to fraction form
   3,181,308/4,818,270 = 4,818,270/x
3. Step 3: Cross multiply
   3,181,308x = 4,818,270 × 4,818,270
4. Step 4: Simplify right side
   3,181,308x = 23,215,725,792,900
5. Step 5: Solve for x
   x = 23,215,725,792,900/3,181,308
6. Step 6: Final answer
   x = 7,297,541.07