Finding the Third Proportional to 156,076.50 and 336,777

Step by Step Solution

1. Step 1: Write the proportion equation
   156,076.50 : 336,777 = 336,777 : x
2. Step 2: Convert to fraction form
   156,076.50/336,777 = 336,777/x
3. Step 3: Cross multiply
   156,076.50x = 336,777 × 336,777
4. Step 4: Simplify right side
   156,076.50x = 113,418,747,729
5. Step 5: Solve for x
   x = 113,418,747,729/156,076.50
6. Step 6: Final answer
   x = 726,686.90