Finding the Third Proportional to 69,437.25 and 105,131.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,437.25 : 105,131.25 = 105,131.25 : x
2. Step 2: Convert to fraction form
   69,437.25/105,131.25 = 105,131.25/x
3. Step 3: Cross multiply
   69,437.25x = 105,131.25 × 105,131.25
4. Step 4: Simplify right side
   69,437.25x = 11,052,579,726.56
5. Step 5: Solve for x
   x = 11,052,579,726.56/69,437.25
6. Step 6: Final answer
   x = 159,173.64