Finding the Third Proportional to 1,287,168 and 1,748,120

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,168 : 1,748,120 = 1,748,120 : x
2. Step 2: Convert to fraction form
   1,287,168/1,748,120 = 1,748,120/x
3. Step 3: Cross multiply
   1,287,168x = 1,748,120 × 1,748,120
4. Step 4: Simplify right side
   1,287,168x = 3,055,923,534,400
5. Step 5: Solve for x
   x = 3,055,923,534,400/1,287,168
6. Step 6: Final answer
   x = 2,374,145.05