Finding the Third Proportional to 1,380,812 and 2,953,520

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,812 : 2,953,520 = 2,953,520 : x
2. Step 2: Convert to fraction form
   1,380,812/2,953,520 = 2,953,520/x
3. Step 3: Cross multiply
   1,380,812x = 2,953,520 × 2,953,520
4. Step 4: Simplify right side
   1,380,812x = 8,723,280,390,400
5. Step 5: Solve for x
   x = 8,723,280,390,400/1,380,812
6. Step 6: Final answer
   x = 6,317,500.42