Finding the Third Proportional to 161,770.50 and 351,485

Step by Step Solution

1. Step 1: Write the proportion equation
   161,770.50 : 351,485 = 351,485 : x
2. Step 2: Convert to fraction form
   161,770.50/351,485 = 351,485/x
3. Step 3: Cross multiply
   161,770.50x = 351,485 × 351,485
4. Step 4: Simplify right side
   161,770.50x = 123,541,705,225
5. Step 5: Solve for x
   x = 123,541,705,225/161,770.50
6. Step 6: Final answer
   x = 763,685.01