Finding the Third Proportional to 2,861,121 and 4,010,445

Step by Step Solution

1. Step 1: Write the proportion equation
   2,861,121 : 4,010,445 = 4,010,445 : x
2. Step 2: Convert to fraction form
   2,861,121/4,010,445 = 4,010,445/x
3. Step 3: Cross multiply
   2,861,121x = 4,010,445 × 4,010,445
4. Step 4: Simplify right side
   2,861,121x = 16,083,669,098,025
5. Step 5: Solve for x
   x = 16,083,669,098,025/2,861,121
6. Step 6: Final answer
   x = 5,621,457.15