Finding the Third Proportional to 902,600 and 1,921,116

Step by Step Solution

1. Step 1: Write the proportion equation
   902,600 : 1,921,116 = 1,921,116 : x
2. Step 2: Convert to fraction form
   902,600/1,921,116 = 1,921,116/x
3. Step 3: Cross multiply
   902,600x = 1,921,116 × 1,921,116
4. Step 4: Simplify right side
   902,600x = 3,690,686,685,456
5. Step 5: Solve for x
   x = 3,690,686,685,456/902,600
6. Step 6: Final answer
   x = 4,088,950.46