Finding the Third Proportional to 1,385,280 and 2,967,660

Step by Step Solution

1. Step 1: Write the proportion equation
   1,385,280 : 2,967,660 = 2,967,660 : x
2. Step 2: Convert to fraction form
   1,385,280/2,967,660 = 2,967,660/x
3. Step 3: Cross multiply
   1,385,280x = 2,967,660 × 2,967,660
4. Step 4: Simplify right side
   1,385,280x = 8,807,005,875,600
5. Step 5: Solve for x
   x = 8,807,005,875,600/1,385,280
6. Step 6: Final answer
   x = 6,357,563.72