Finding the Third Proportional to 1,273,680 and 1,881,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,273,680 : 1,881,360 = 1,881,360 : x
2. Step 2: Convert to fraction form
   1,273,680/1,881,360 = 1,881,360/x
3. Step 3: Cross multiply
   1,273,680x = 1,881,360 × 1,881,360
4. Step 4: Simplify right side
   1,273,680x = 3,539,515,449,600
5. Step 5: Solve for x
   x = 3,539,515,449,600/1,273,680
6. Step 6: Final answer
   x = 2,778,967.60