Finding the Third Proportional to 16,978,948 and 36,646,740

Step by Step Solution

1. Step 1: Write the proportion equation
   16,978,948 : 36,646,740 = 36,646,740 : x
2. Step 2: Convert to fraction form
   16,978,948/36,646,740 = 36,646,740/x
3. Step 3: Cross multiply
   16,978,948x = 36,646,740 × 36,646,740
4. Step 4: Simplify right side
   16,978,948x = 1,342,983,552,627,600
5. Step 5: Solve for x
   x = 1,342,983,552,627,600/16,978,948
6. Step 6: Final answer
   x = 79,096,982.49