Finding the Third Proportional to 27,838,408 and 42,589,656

Step by Step Solution

1. Step 1: Write the proportion equation
   27,838,408 : 42,589,656 = 42,589,656 : x
2. Step 2: Convert to fraction form
   27,838,408/42,589,656 = 42,589,656/x
3. Step 3: Cross multiply
   27,838,408x = 42,589,656 × 42,589,656
4. Step 4: Simplify right side
   27,838,408x = 1,813,878,798,198,336
5. Step 5: Solve for x
   x = 1,813,878,798,198,336/27,838,408
6. Step 6: Final answer
   x = 65,157,418.42