Finding the Third Proportional to 678,146 and 1,025,948

Step by Step Solution

1. Step 1: Write the proportion equation
   678,146 : 1,025,948 = 1,025,948 : x
2. Step 2: Convert to fraction form
   678,146/1,025,948 = 1,025,948/x
3. Step 3: Cross multiply
   678,146x = 1,025,948 × 1,025,948
4. Step 4: Simplify right side
   678,146x = 1,052,569,298,704
5. Step 5: Solve for x
   x = 1,052,569,298,704/678,146
6. Step 6: Final answer
   x = 1,552,127.86