Finding the Third Proportional to 2,520,918 and 5,531,652

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,918 : 5,531,652 = 5,531,652 : x
2. Step 2: Convert to fraction form
   2,520,918/5,531,652 = 5,531,652/x
3. Step 3: Cross multiply
   2,520,918x = 5,531,652 × 5,531,652
4. Step 4: Simplify right side
   2,520,918x = 30,599,173,849,104
5. Step 5: Solve for x
   x = 30,599,173,849,104/2,520,918
6. Step 6: Final answer
   x = 12,138,107.57