Finding the Third Proportional to 16,691,205 and 35,586,978

Step by Step Solution

1. Step 1: Write the proportion equation
   16,691,205 : 35,586,978 = 35,586,978 : x
2. Step 2: Convert to fraction form
   16,691,205/35,586,978 = 35,586,978/x
3. Step 3: Cross multiply
   16,691,205x = 35,586,978 × 35,586,978
4. Step 4: Simplify right side
   16,691,205x = 1,266,433,003,172,484
5. Step 5: Solve for x
   x = 1,266,433,003,172,484/16,691,205
6. Step 6: Final answer
   x = 75,874,270.50