Finding the Third Proportional to 31,003,058 and 72,414,086

Step by Step Solution

1. Step 1: Write the proportion equation
   31,003,058 : 72,414,086 = 72,414,086 : x
2. Step 2: Convert to fraction form
   31,003,058/72,414,086 = 72,414,086/x
3. Step 3: Cross multiply
   31,003,058x = 72,414,086 × 72,414,086
4. Step 4: Simplify right side
   31,003,058x = 5,243,799,851,215,396
5. Step 5: Solve for x
   x = 5,243,799,851,215,396/31,003,058
6. Step 6: Final answer
   x = 169,138,149.25