Finding the Third Proportional to 161,739 and 350,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,739 : 350,965.50 = 350,965.50 : x
2. Step 2: Convert to fraction form
   161,739/350,965.50 = 350,965.50/x
3. Step 3: Cross multiply
   161,739x = 350,965.50 × 350,965.50
4. Step 4: Simplify right side
   161,739x = 123,176,782,190.25
5. Step 5: Solve for x
   x = 123,176,782,190.25/161,739
6. Step 6: Final answer
   x = 761,577.49