Finding the Third Proportional to 16,992,215 and 36,691,978

Step by Step Solution

1. Step 1: Write the proportion equation
   16,992,215 : 36,691,978 = 36,691,978 : x
2. Step 2: Convert to fraction form
   16,992,215/36,691,978 = 36,691,978/x
3. Step 3: Cross multiply
   16,992,215x = 36,691,978 × 36,691,978
4. Step 4: Simplify right side
   16,992,215x = 1,346,301,249,552,484
5. Step 5: Solve for x
   x = 1,346,301,249,552,484/16,992,215
6. Step 6: Final answer
   x = 79,230,474.05