Finding the Third Proportional to 2,857,478 and 6,112,656

Step by Step Solution

1. Step 1: Write the proportion equation
   2,857,478 : 6,112,656 = 6,112,656 : x
2. Step 2: Convert to fraction form
   2,857,478/6,112,656 = 6,112,656/x
3. Step 3: Cross multiply
   2,857,478x = 6,112,656 × 6,112,656
4. Step 4: Simplify right side
   2,857,478x = 37,364,563,374,336
5. Step 5: Solve for x
   x = 37,364,563,374,336/2,857,478
6. Step 6: Final answer
   x = 13,076,063.36