Finding the Third Proportional to 67,747.50 and 100,641.75

Step by Step Solution

1. Step 1: Write the proportion equation
   67,747.50 : 100,641.75 = 100,641.75 : x
2. Step 2: Convert to fraction form
   67,747.50/100,641.75 = 100,641.75/x
3. Step 3: Cross multiply
   67,747.50x = 100,641.75 × 100,641.75
4. Step 4: Simplify right side
   67,747.50x = 10,128,761,843.06
5. Step 5: Solve for x
   x = 10,128,761,843.06/67,747.50
6. Step 6: Final answer
   x = 149,507.54