Finding the Third Proportional to 108,429 and 169,201.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,429 : 169,201.50 = 169,201.50 : x
2. Step 2: Convert to fraction form
   108,429/169,201.50 = 169,201.50/x
3. Step 3: Cross multiply
   108,429x = 169,201.50 × 169,201.50
4. Step 4: Simplify right side
   108,429x = 28,629,147,602.25
5. Step 5: Solve for x
   x = 28,629,147,602.25/108,429
6. Step 6: Final answer
   x = 264,035.89