Finding the Third Proportional to 3,663,231 and 5,385,087

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,231 : 5,385,087 = 5,385,087 : x
2. Step 2: Convert to fraction form
   3,663,231/5,385,087 = 5,385,087/x
3. Step 3: Cross multiply
   3,663,231x = 5,385,087 × 5,385,087
4. Step 4: Simplify right side
   3,663,231x = 28,999,161,997,569
5. Step 5: Solve for x
   x = 28,999,161,997,569/3,663,231
6. Step 6: Final answer
   x = 7,916,279.92