Finding the Third Proportional to 1,787,280 and 3,889,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787,280 : 3,889,064 = 3,889,064 : x
2. Step 2: Convert to fraction form
   1,787,280/3,889,064 = 3,889,064/x
3. Step 3: Cross multiply
   1,787,280x = 3,889,064 × 3,889,064
4. Step 4: Simplify right side
   1,787,280x = 15,124,818,796,096
5. Step 5: Solve for x
   x = 15,124,818,796,096/1,787,280
6. Step 6: Final answer
   x = 8,462,478.62