Finding the Third Proportional to 2,521,858.50 and 5,472,387

Step by Step Solution

1. Step 1: Write the proportion equation
   2,521,858.50 : 5,472,387 = 5,472,387 : x
2. Step 2: Convert to fraction form
   2,521,858.50/5,472,387 = 5,472,387/x
3. Step 3: Cross multiply
   2,521,858.50x = 5,472,387 × 5,472,387
4. Step 4: Simplify right side
   2,521,858.50x = 29,947,019,477,769
5. Step 5: Solve for x
   x = 29,947,019,477,769/2,521,858.50
6. Step 6: Final answer
   x = 11,874,980.09