Finding the Third Proportional to 1,171,876 and 2,509,640

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171,876 : 2,509,640 = 2,509,640 : x
2. Step 2: Convert to fraction form
   1,171,876/2,509,640 = 2,509,640/x
3. Step 3: Cross multiply
   1,171,876x = 2,509,640 × 2,509,640
4. Step 4: Simplify right side
   1,171,876x = 6,298,292,929,600
5. Step 5: Solve for x
   x = 6,298,292,929,600/1,171,876
6. Step 6: Final answer
   x = 5,374,538.71