Finding the Third Proportional to 16,687,974 and 34,654,918

Step by Step Solution

1. Step 1: Write the proportion equation
   16,687,974 : 34,654,918 = 34,654,918 : x
2. Step 2: Convert to fraction form
   16,687,974/34,654,918 = 34,654,918/x
3. Step 3: Cross multiply
   16,687,974x = 34,654,918 × 34,654,918
4. Step 4: Simplify right side
   16,687,974x = 1,200,963,341,586,724
5. Step 5: Solve for x
   x = 1,200,963,341,586,724/16,687,974
6. Step 6: Final answer
   x = 71,965,796.54