Finding the Third Proportional to 161,012 and 349,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,012 : 349,709.50 = 349,709.50 : x
2. Step 2: Convert to fraction form
   161,012/349,709.50 = 349,709.50/x
3. Step 3: Cross multiply
   161,012x = 349,709.50 × 349,709.50
4. Step 4: Simplify right side
   161,012x = 122,296,734,390.25
5. Step 5: Solve for x
   x = 122,296,734,390.25/161,012
6. Step 6: Final answer
   x = 759,550.43