Finding the Third Proportional to 69,320.25 and 103,518.38

Step by Step Solution

1. Step 1: Write the proportion equation
   69,320.25 : 103,518.38 = 103,518.38 : x
2. Step 2: Convert to fraction form
   69,320.25/103,518.38 = 103,518.38/x
3. Step 3: Cross multiply
   69,320.25x = 103,518.38 × 103,518.38
4. Step 4: Simplify right side
   69,320.25x = 10,716,053,962.64
5. Step 5: Solve for x
   x = 10,716,053,962.64/69,320.25
6. Step 6: Final answer
   x = 154,587.64