Finding the Third Proportional to 623,247 and 1,365,078

Step by Step Solution

1. Step 1: Write the proportion equation
   623,247 : 1,365,078 = 1,365,078 : x
2. Step 2: Convert to fraction form
   623,247/1,365,078 = 1,365,078/x
3. Step 3: Cross multiply
   623,247x = 1,365,078 × 1,365,078
4. Step 4: Simplify right side
   623,247x = 1,863,437,946,084
5. Step 5: Solve for x
   x = 1,863,437,946,084/623,247
6. Step 6: Final answer
   x = 2,989,886.75