Finding the Third Proportional to 1,122,336 and 1,684,800

Step by Step Solution

1. Step 1: Write the proportion equation
   1,122,336 : 1,684,800 = 1,684,800 : x
2. Step 2: Convert to fraction form
   1,122,336/1,684,800 = 1,684,800/x
3. Step 3: Cross multiply
   1,122,336x = 1,684,800 × 1,684,800
4. Step 4: Simplify right side
   1,122,336x = 2,838,551,040,000
5. Step 5: Solve for x
   x = 2,838,551,040,000/1,122,336
6. Step 6: Final answer
   x = 2,529,145.50