Finding the Third Proportional to 69,320 and 103,518

Step by Step Solution

1. Step 1: Write the proportion equation
   69,320 : 103,518 = 103,518 : x
2. Step 2: Convert to fraction form
   69,320/103,518 = 103,518/x
3. Step 3: Cross multiply
   69,320x = 103,518 × 103,518
4. Step 4: Simplify right side
   69,320x = 10,715,976,324
5. Step 5: Solve for x
   x = 10,715,976,324/69,320
6. Step 6: Final answer
   x = 154,587.08