Finding the Third Proportional to 678,144 and 1,025,946

Step by Step Solution

1. Step 1: Write the proportion equation
   678,144 : 1,025,946 = 1,025,946 : x
2. Step 2: Convert to fraction form
   678,144/1,025,946 = 1,025,946/x
3. Step 3: Cross multiply
   678,144x = 1,025,946 × 1,025,946
4. Step 4: Simplify right side
   678,144x = 1,052,565,194,916
5. Step 5: Solve for x
   x = 1,052,565,194,916/678,144
6. Step 6: Final answer
   x = 1,552,126.38