Finding the Third Proportional to 69,124 and 148,040

Step by Step Solution

1. Step 1: Write the proportion equation
   69,124 : 148,040 = 148,040 : x
2. Step 2: Convert to fraction form
   69,124/148,040 = 148,040/x
3. Step 3: Cross multiply
   69,124x = 148,040 × 148,040
4. Step 4: Simplify right side
   69,124x = 21,915,841,600
5. Step 5: Solve for x
   x = 21,915,841,600/69,124
6. Step 6: Final answer
   x = 317,051.12