Finding the Third Proportional to 2,490,118.50 and 3,663,972

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,118.50 : 3,663,972 = 3,663,972 : x
2. Step 2: Convert to fraction form
   2,490,118.50/3,663,972 = 3,663,972/x
3. Step 3: Cross multiply
   2,490,118.50x = 3,663,972 × 3,663,972
4. Step 4: Simplify right side
   2,490,118.50x = 13,424,690,816,784
5. Step 5: Solve for x
   x = 13,424,690,816,784/2,490,118.50
6. Step 6: Final answer
   x = 5,391,185.53