Finding the Third Proportional to 692,608 and 1,440,632

Step by Step Solution

1. Step 1: Write the proportion equation
   692,608 : 1,440,632 = 1,440,632 : x
2. Step 2: Convert to fraction form
   692,608/1,440,632 = 1,440,632/x
3. Step 3: Cross multiply
   692,608x = 1,440,632 × 1,440,632
4. Step 4: Simplify right side
   692,608x = 2,075,420,559,424
5. Step 5: Solve for x
   x = 2,075,420,559,424/692,608
6. Step 6: Final answer
   x = 2,996,529.87