Finding the Third Proportional to 689,328 and 1,009,962

Step by Step Solution

1. Step 1: Write the proportion equation
   689,328 : 1,009,962 = 1,009,962 : x
2. Step 2: Convert to fraction form
   689,328/1,009,962 = 1,009,962/x
3. Step 3: Cross multiply
   689,328x = 1,009,962 × 1,009,962
4. Step 4: Simplify right side
   689,328x = 1,020,023,241,444
5. Step 5: Solve for x
   x = 1,020,023,241,444/689,328
6. Step 6: Final answer
   x = 1,479,735.69