Finding the Third Proportional to 3,181,392 and 4,818,429

Step by Step Solution

1. Step 1: Write the proportion equation
   3,181,392 : 4,818,429 = 4,818,429 : x
2. Step 2: Convert to fraction form
   3,181,392/4,818,429 = 4,818,429/x
3. Step 3: Cross multiply
   3,181,392x = 4,818,429 × 4,818,429
4. Step 4: Simplify right side
   3,181,392x = 23,217,258,028,041
5. Step 5: Solve for x
   x = 23,217,258,028,041/3,181,392
6. Step 6: Final answer
   x = 7,297,830.02