Finding the Third Proportional to 83,929.50 and 171,737.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,929.50 : 171,737.25 = 171,737.25 : x
2. Step 2: Convert to fraction form
   83,929.50/171,737.25 = 171,737.25/x
3. Step 3: Cross multiply
   83,929.50x = 171,737.25 × 171,737.25
4. Step 4: Simplify right side
   83,929.50x = 29,493,683,037.56
5. Step 5: Solve for x
   x = 29,493,683,037.56/83,929.50
6. Step 6: Final answer
   x = 351,410.21