Finding the Third Proportional to 2,364,999 and 5,187,816

Step by Step Solution

1. Step 1: Write the proportion equation
   2,364,999 : 5,187,816 = 5,187,816 : x
2. Step 2: Convert to fraction form
   2,364,999/5,187,816 = 5,187,816/x
3. Step 3: Cross multiply
   2,364,999x = 5,187,816 × 5,187,816
4. Step 4: Simplify right side
   2,364,999x = 26,913,434,849,856
5. Step 5: Solve for x
   x = 26,913,434,849,856/2,364,999
6. Step 6: Final answer
   x = 11,379,892.70