Finding the Third Proportional to 38,324,019 and 81,665,016

Step by Step Solution

1. Step 1: Write the proportion equation
   38,324,019 : 81,665,016 = 81,665,016 : x
2. Step 2: Convert to fraction form
   38,324,019/81,665,016 = 81,665,016/x
3. Step 3: Cross multiply
   38,324,019x = 81,665,016 × 81,665,016
4. Step 4: Simplify right side
   38,324,019x = 6,669,174,838,280,256
5. Step 5: Solve for x
   x = 6,669,174,838,280,256/38,324,019
6. Step 6: Final answer
   x = 174,020,758.06