Finding the Third Proportional to 69,284 and 148,045

Step by Step Solution

1. Step 1: Write the proportion equation
   69,284 : 148,045 = 148,045 : x
2. Step 2: Convert to fraction form
   69,284/148,045 = 148,045/x
3. Step 3: Cross multiply
   69,284x = 148,045 × 148,045
4. Step 4: Simplify right side
   69,284x = 21,917,322,025
5. Step 5: Solve for x
   x = 21,917,322,025/69,284
6. Step 6: Final answer
   x = 316,340.31