Finding the Third Proportional to 160,969.50 and 349,716

Step by Step Solution

1. Step 1: Write the proportion equation
   160,969.50 : 349,716 = 349,716 : x
2. Step 2: Convert to fraction form
   160,969.50/349,716 = 349,716/x
3. Step 3: Cross multiply
   160,969.50x = 349,716 × 349,716
4. Step 4: Simplify right side
   160,969.50x = 122,301,280,656
5. Step 5: Solve for x
   x = 122,301,280,656/160,969.50
6. Step 6: Final answer
   x = 759,779.22