Finding the Third Proportional to 518,560 and 1,109,056

Step by Step Solution

1. Step 1: Write the proportion equation
   518,560 : 1,109,056 = 1,109,056 : x
2. Step 2: Convert to fraction form
   518,560/1,109,056 = 1,109,056/x
3. Step 3: Cross multiply
   518,560x = 1,109,056 × 1,109,056
4. Step 4: Simplify right side
   518,560x = 1,230,005,211,136
5. Step 5: Solve for x
   x = 1,230,005,211,136/518,560
6. Step 6: Final answer
   x = 2,371,963.15