Finding the Third Proportional to 16,687,999 and 34,654,988

Step by Step Solution

1. Step 1: Write the proportion equation
   16,687,999 : 34,654,988 = 34,654,988 : x
2. Step 2: Convert to fraction form
   16,687,999/34,654,988 = 34,654,988/x
3. Step 3: Cross multiply
   16,687,999x = 34,654,988 × 34,654,988
4. Step 4: Simplify right side
   16,687,999x = 1,200,968,193,280,144
5. Step 5: Solve for x
   x = 1,200,968,193,280,144/16,687,999
6. Step 6: Final answer
   x = 71,965,979.46