Finding the Third Proportional to 1,128,905 and 1,609,273

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,905 : 1,609,273 = 1,609,273 : x
2. Step 2: Convert to fraction form
   1,128,905/1,609,273 = 1,609,273/x
3. Step 3: Cross multiply
   1,128,905x = 1,609,273 × 1,609,273
4. Step 4: Simplify right side
   1,128,905x = 2,589,759,588,529
5. Step 5: Solve for x
   x = 2,589,759,588,529/1,128,905
6. Step 6: Final answer
   x = 2,294,045.64