Finding the Third Proportional to 31,381,034 and 73,280,042

Step by Step Solution

1. Step 1: Write the proportion equation
   31,381,034 : 73,280,042 = 73,280,042 : x
2. Step 2: Convert to fraction form
   31,381,034/73,280,042 = 73,280,042/x
3. Step 3: Cross multiply
   31,381,034x = 73,280,042 × 73,280,042
4. Step 4: Simplify right side
   31,381,034x = 5,369,964,555,521,764
5. Step 5: Solve for x
   x = 5,369,964,555,521,764/31,381,034
6. Step 6: Final answer
   x = 171,121,338.94