Finding the Third Proportional to 83,485.69 and 169,887.38

Step by Step Solution

1. Step 1: Write the proportion equation
   83,485.69 : 169,887.38 = 169,887.38 : x
2. Step 2: Convert to fraction form
   83,485.69/169,887.38 = 169,887.38/x
3. Step 3: Cross multiply
   83,485.69x = 169,887.38 × 169,887.38
4. Step 4: Simplify right side
   83,485.69x = 28,861,720,184.39
5. Step 5: Solve for x
   x = 28,861,720,184.39/83,485.69
6. Step 6: Final answer
   x = 345,708.60