Finding the Third Proportional to 69,957 and 109,435.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,957 : 109,435.50 = 109,435.50 : x
2. Step 2: Convert to fraction form
   69,957/109,435.50 = 109,435.50/x
3. Step 3: Cross multiply
   69,957x = 109,435.50 × 109,435.50
4. Step 4: Simplify right side
   69,957x = 11,976,128,660.25
5. Step 5: Solve for x
   x = 11,976,128,660.25/69,957
6. Step 6: Final answer
   x = 171,192.71