Finding the Third Proportional to 86,997 and 131,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,997 : 131,710.50 = 131,710.50 : x
2. Step 2: Convert to fraction form
   86,997/131,710.50 = 131,710.50/x
3. Step 3: Cross multiply
   86,997x = 131,710.50 × 131,710.50
4. Step 4: Simplify right side
   86,997x = 17,347,655,810.25
5. Step 5: Solve for x
   x = 17,347,655,810.25/86,997
6. Step 6: Final answer
   x = 199,405.22