Finding the Third Proportional to 161,677 and 333,732.75

Step by Step Solution

1. Step 1: Write the proportion equation
   161,677 : 333,732.75 = 333,732.75 : x
2. Step 2: Convert to fraction form
   161,677/333,732.75 = 333,732.75/x
3. Step 3: Cross multiply
   161,677x = 333,732.75 × 333,732.75
4. Step 4: Simplify right side
   161,677x = 111,377,548,422.56
5. Step 5: Solve for x
   x = 111,377,548,422.56/161,677
6. Step 6: Final answer
   x = 688,889.26