Finding the Third Proportional to 3,662,529 and 5,387,921

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662,529 : 5,387,921 = 5,387,921 : x
2. Step 2: Convert to fraction form
   3,662,529/5,387,921 = 5,387,921/x
3. Step 3: Cross multiply
   3,662,529x = 5,387,921 × 5,387,921
4. Step 4: Simplify right side
   3,662,529x = 29,029,692,702,241
5. Step 5: Solve for x
   x = 29,029,692,702,241/3,662,529
6. Step 6: Final answer
   x = 7,926,133.20