Finding the Third Proportional to 2,487,210 and 5,354,940

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,210 : 5,354,940 = 5,354,940 : x
2. Step 2: Convert to fraction form
   2,487,210/5,354,940 = 5,354,940/x
3. Step 3: Cross multiply
   2,487,210x = 5,354,940 × 5,354,940
4. Step 4: Simplify right side
   2,487,210x = 28,675,382,403,600
5. Step 5: Solve for x
   x = 28,675,382,403,600/2,487,210
6. Step 6: Final answer
   x = 11,529,136.02