Finding the Third Proportional to 1,128,946 and 1,609,339

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,946 : 1,609,339 = 1,609,339 : x
2. Step 2: Convert to fraction form
   1,128,946/1,609,339 = 1,609,339/x
3. Step 3: Cross multiply
   1,128,946x = 1,609,339 × 1,609,339
4. Step 4: Simplify right side
   1,128,946x = 2,589,972,016,921
5. Step 5: Solve for x
   x = 2,589,972,016,921/1,128,946
6. Step 6: Final answer
   x = 2,294,150.49