Finding the Third Proportional to 688,011 and 1,011,792

Step by Step Solution

1. Step 1: Write the proportion equation
   688,011 : 1,011,792 = 1,011,792 : x
2. Step 2: Convert to fraction form
   688,011/1,011,792 = 1,011,792/x
3. Step 3: Cross multiply
   688,011x = 1,011,792 × 1,011,792
4. Step 4: Simplify right side
   688,011x = 1,023,723,051,264
5. Step 5: Solve for x
   x = 1,023,723,051,264/688,011
6. Step 6: Final answer
   x = 1,487,945.76