Finding the Third Proportional to 869,928 and 1,225,032

Step by Step Solution

1. Step 1: Write the proportion equation
   869,928 : 1,225,032 = 1,225,032 : x
2. Step 2: Convert to fraction form
   869,928/1,225,032 = 1,225,032/x
3. Step 3: Cross multiply
   869,928x = 1,225,032 × 1,225,032
4. Step 4: Simplify right side
   869,928x = 1,500,703,401,024
5. Step 5: Solve for x
   x = 1,500,703,401,024/869,928
6. Step 6: Final answer
   x = 1,725,089.20