Finding the Third Proportional to 31,381,058 and 73,280,110

Step by Step Solution

1. Step 1: Write the proportion equation
   31,381,058 : 73,280,110 = 73,280,110 : x
2. Step 2: Convert to fraction form
   31,381,058/73,280,110 = 73,280,110/x
3. Step 3: Cross multiply
   31,381,058x = 73,280,110 × 73,280,110
4. Step 4: Simplify right side
   31,381,058x = 5,369,974,521,612,100
5. Step 5: Solve for x
   x = 5,369,974,521,612,100/31,381,058
6. Step 6: Final answer
   x = 171,121,525.65