Finding the Third Proportional to 16,691,206 and 35,586,980

Step by Step Solution

1. Step 1: Write the proportion equation
   16,691,206 : 35,586,980 = 35,586,980 : x
2. Step 2: Convert to fraction form
   16,691,206/35,586,980 = 35,586,980/x
3. Step 3: Cross multiply
   16,691,206x = 35,586,980 × 35,586,980
4. Step 4: Simplify right side
   16,691,206x = 1,266,433,145,520,400
5. Step 5: Solve for x
   x = 1,266,433,145,520,400/16,691,206
6. Step 6: Final answer
   x = 75,874,274.48