Finding the Third Proportional to 107,056.50 and 140,809.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,056.50 : 140,809.50 = 140,809.50 : x
2. Step 2: Convert to fraction form
   107,056.50/140,809.50 = 140,809.50/x
3. Step 3: Cross multiply
   107,056.50x = 140,809.50 × 140,809.50
4. Step 4: Simplify right side
   107,056.50x = 19,827,315,290.25
5. Step 5: Solve for x
   x = 19,827,315,290.25/107,056.50
6. Step 6: Final answer
   x = 185,204.22