Finding the Third Proportional to 2,520,656 and 5,531,160

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,656 : 5,531,160 = 5,531,160 : x
2. Step 2: Convert to fraction form
   2,520,656/5,531,160 = 5,531,160/x
3. Step 3: Cross multiply
   2,520,656x = 5,531,160 × 5,531,160
4. Step 4: Simplify right side
   2,520,656x = 30,593,730,945,600
5. Step 5: Solve for x
   x = 30,593,730,945,600/2,520,656
6. Step 6: Final answer
   x = 12,137,209.90