Finding the Third Proportional to 3,633,888 and 7,644,432

Step by Step Solution

1. Step 1: Write the proportion equation
   3,633,888 : 7,644,432 = 7,644,432 : x
2. Step 2: Convert to fraction form
   3,633,888/7,644,432 = 7,644,432/x
3. Step 3: Cross multiply
   3,633,888x = 7,644,432 × 7,644,432
4. Step 4: Simplify right side
   3,633,888x = 58,437,340,602,624
5. Step 5: Solve for x
   x = 58,437,340,602,624/3,633,888
6. Step 6: Final answer
   x = 16,081,216.76