Finding the Third Proportional to 701,978 and 1,026,640

Step by Step Solution

1. Step 1: Write the proportion equation
   701,978 : 1,026,640 = 1,026,640 : x
2. Step 2: Convert to fraction form
   701,978/1,026,640 = 1,026,640/x
3. Step 3: Cross multiply
   701,978x = 1,026,640 × 1,026,640
4. Step 4: Simplify right side
   701,978x = 1,053,989,689,600
5. Step 5: Solve for x
   x = 1,053,989,689,600/701,978
6. Step 6: Final answer
   x = 1,501,456.87