Finding the Third Proportional to 585,432 and 1,216,800

Step by Step Solution

1. Step 1: Write the proportion equation
   585,432 : 1,216,800 = 1,216,800 : x
2. Step 2: Convert to fraction form
   585,432/1,216,800 = 1,216,800/x
3. Step 3: Cross multiply
   585,432x = 1,216,800 × 1,216,800
4. Step 4: Simplify right side
   585,432x = 1,480,602,240,000
5. Step 5: Solve for x
   x = 1,480,602,240,000/585,432
6. Step 6: Final answer
   x = 2,529,076.37