Finding the Third Proportional to 172,487.25 and 377,037

Step by Step Solution

1. Step 1: Write the proportion equation
   172,487.25 : 377,037 = 377,037 : x
2. Step 2: Convert to fraction form
   172,487.25/377,037 = 377,037/x
3. Step 3: Cross multiply
   172,487.25x = 377,037 × 377,037
4. Step 4: Simplify right side
   172,487.25x = 142,156,899,369
5. Step 5: Solve for x
   x = 142,156,899,369/172,487.25
6. Step 6: Final answer
   x = 824,158.88