Finding the Third Proportional to 176,552 and 385,905.50

Step by Step Solution

1. Step 1: Write the proportion equation
   176,552 : 385,905.50 = 385,905.50 : x
2. Step 2: Convert to fraction form
   176,552/385,905.50 = 385,905.50/x
3. Step 3: Cross multiply
   176,552x = 385,905.50 × 385,905.50
4. Step 4: Simplify right side
   176,552x = 148,923,054,930.25
5. Step 5: Solve for x
   x = 148,923,054,930.25/176,552
6. Step 6: Final answer
   x = 843,508.17