Finding the Third Proportional to 1,287,155 and 1,748,117

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,155 : 1,748,117 = 1,748,117 : x
2. Step 2: Convert to fraction form
   1,287,155/1,748,117 = 1,748,117/x
3. Step 3: Cross multiply
   1,287,155x = 1,748,117 × 1,748,117
4. Step 4: Simplify right side
   1,287,155x = 3,055,913,045,689
5. Step 5: Solve for x
   x = 3,055,913,045,689/1,287,155
6. Step 6: Final answer
   x = 2,374,160.88