Finding the Third Proportional to 1,380,320 and 2,970,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,320 : 2,970,432 = 2,970,432 : x
2. Step 2: Convert to fraction form
   1,380,320/2,970,432 = 2,970,432/x
3. Step 3: Cross multiply
   1,380,320x = 2,970,432 × 2,970,432
4. Step 4: Simplify right side
   1,380,320x = 8,823,466,266,624
5. Step 5: Solve for x
   x = 8,823,466,266,624/1,380,320
6. Step 6: Final answer
   x = 6,392,333.85