Finding the Third Proportional to 828,900 and 1,216,152

Step by Step Solution

1. Step 1: Write the proportion equation
   828,900 : 1,216,152 = 1,216,152 : x
2. Step 2: Convert to fraction form
   828,900/1,216,152 = 1,216,152/x
3. Step 3: Cross multiply
   828,900x = 1,216,152 × 1,216,152
4. Step 4: Simplify right side
   828,900x = 1,479,025,687,104
5. Step 5: Solve for x
   x = 1,479,025,687,104/828,900
6. Step 6: Final answer
   x = 1,784,323.43