Finding the Third Proportional to 1,128,909 and 1,609,281

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,909 : 1,609,281 = 1,609,281 : x
2. Step 2: Convert to fraction form
   1,128,909/1,609,281 = 1,609,281/x
3. Step 3: Cross multiply
   1,128,909x = 1,609,281 × 1,609,281
4. Step 4: Simplify right side
   1,128,909x = 2,589,785,336,961
5. Step 5: Solve for x
   x = 2,589,785,336,961/1,128,909
6. Step 6: Final answer
   x = 2,294,060.32