Finding the Third Proportional to 3,181,354 and 4,818,364

Step by Step Solution

1. Step 1: Write the proportion equation
   3,181,354 : 4,818,364 = 4,818,364 : x
2. Step 2: Convert to fraction form
   3,181,354/4,818,364 = 4,818,364/x
3. Step 3: Cross multiply
   3,181,354x = 4,818,364 × 4,818,364
4. Step 4: Simplify right side
   3,181,354x = 23,216,631,636,496
5. Step 5: Solve for x
   x = 23,216,631,636,496/3,181,354
6. Step 6: Final answer
   x = 7,297,720.29