Finding the Third Proportional to 683,840 and 1,061,608

Step by Step Solution

1. Step 1: Write the proportion equation
   683,840 : 1,061,608 = 1,061,608 : x
2. Step 2: Convert to fraction form
   683,840/1,061,608 = 1,061,608/x
3. Step 3: Cross multiply
   683,840x = 1,061,608 × 1,061,608
4. Step 4: Simplify right side
   683,840x = 1,127,011,545,664
5. Step 5: Solve for x
   x = 1,127,011,545,664/683,840
6. Step 6: Final answer
   x = 1,648,063.21