Finding the Third Proportional to 100,427.50 and 137,710

Step by Step Solution

1. Step 1: Write the proportion equation
   100,427.50 : 137,710 = 137,710 : x
2. Step 2: Convert to fraction form
   100,427.50/137,710 = 137,710/x
3. Step 3: Cross multiply
   100,427.50x = 137,710 × 137,710
4. Step 4: Simplify right side
   100,427.50x = 18,964,044,100
5. Step 5: Solve for x
   x = 18,964,044,100/100,427.50
6. Step 6: Final answer
   x = 188,833.18