Finding the Third Proportional to 3,181,314 and 4,818,280

Step by Step Solution

1. Step 1: Write the proportion equation
   3,181,314 : 4,818,280 = 4,818,280 : x
2. Step 2: Convert to fraction form
   3,181,314/4,818,280 = 4,818,280/x
3. Step 3: Cross multiply
   3,181,314x = 4,818,280 × 4,818,280
4. Step 4: Simplify right side
   3,181,314x = 23,215,822,158,400
5. Step 5: Solve for x
   x = 23,215,822,158,400/3,181,314
6. Step 6: Final answer
   x = 7,297,557.60