Finding the Third Proportional to 1,693,128 and 2,305,708

Step by Step Solution

1. Step 1: Write the proportion equation
   1,693,128 : 2,305,708 = 2,305,708 : x
2. Step 2: Convert to fraction form
   1,693,128/2,305,708 = 2,305,708/x
3. Step 3: Cross multiply
   1,693,128x = 2,305,708 × 2,305,708
4. Step 4: Simplify right side
   1,693,128x = 5,316,289,381,264
5. Step 5: Solve for x
   x = 5,316,289,381,264/1,693,128
6. Step 6: Final answer
   x = 3,139,921.72