Finding the Third Proportional to 2,538,628 and 5,495,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,628 : 5,495,240 = 5,495,240 : x
2. Step 2: Convert to fraction form
   2,538,628/5,495,240 = 5,495,240/x
3. Step 3: Cross multiply
   2,538,628x = 5,495,240 × 5,495,240
4. Step 4: Simplify right side
   2,538,628x = 30,197,662,657,600
5. Step 5: Solve for x
   x = 30,197,662,657,600/2,538,628
6. Step 6: Final answer
   x = 11,895,268.88