Finding the Third Proportional to 1,231,686 and 1,898,089

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,686 : 1,898,089 = 1,898,089 : x
2. Step 2: Convert to fraction form
   1,231,686/1,898,089 = 1,898,089/x
3. Step 3: Cross multiply
   1,231,686x = 1,898,089 × 1,898,089
4. Step 4: Simplify right side
   1,231,686x = 3,602,741,851,921
5. Step 5: Solve for x
   x = 3,602,741,851,921/1,231,686
6. Step 6: Final answer
   x = 2,925,048.96