Finding the Third Proportional to 41,953.50 and 81,777.38

Step by Step Solution

1. Step 1: Write the proportion equation
   41,953.50 : 81,777.38 = 81,777.38 : x
2. Step 2: Convert to fraction form
   41,953.50/81,777.38 = 81,777.38/x
3. Step 3: Cross multiply
   41,953.50x = 81,777.38 × 81,777.38
4. Step 4: Simplify right side
   41,953.50x = 6,687,539,061.89
5. Step 5: Solve for x
   x = 6,687,539,061.89/41,953.50
6. Step 6: Final answer
   x = 159,403.60