Finding the Third Proportional to 74,745.28 and 100,698.82

Step by Step Solution

1. Step 1: Write the proportion equation
   74,745.28 : 100,698.82 = 100,698.82 : x
2. Step 2: Convert to fraction form
   74,745.28/100,698.82 = 100,698.82/x
3. Step 3: Cross multiply
   74,745.28x = 100,698.82 × 100,698.82
4. Step 4: Simplify right side
   74,745.28x = 10,140,252,412.33
5. Step 5: Solve for x
   x = 10,140,252,412.33/74,745.28
6. Step 6: Final answer
   x = 135,664.11