Finding the Third Proportional to 69,133.50 and 103,259.81

Step by Step Solution

1. Step 1: Write the proportion equation
   69,133.50 : 103,259.81 = 103,259.81 : x
2. Step 2: Convert to fraction form
   69,133.50/103,259.81 = 103,259.81/x
3. Step 3: Cross multiply
   69,133.50x = 103,259.81 × 103,259.81
4. Step 4: Simplify right side
   69,133.50x = 10,662,588,877.54
5. Step 5: Solve for x
   x = 10,662,588,877.54/69,133.50
6. Step 6: Final answer
   x = 154,231.87