Finding the Third Proportional to 3,455,820 and 4,864,428

Step by Step Solution

1. Step 1: Write the proportion equation
   3,455,820 : 4,864,428 = 4,864,428 : x
2. Step 2: Convert to fraction form
   3,455,820/4,864,428 = 4,864,428/x
3. Step 3: Cross multiply
   3,455,820x = 4,864,428 × 4,864,428
4. Step 4: Simplify right side
   3,455,820x = 23,662,659,767,184
5. Step 5: Solve for x
   x = 23,662,659,767,184/3,455,820
6. Step 6: Final answer
   x = 6,847,191.05