Finding the Third Proportional to 69,370.50 and 149,262

Step by Step Solution

1. Step 1: Write the proportion equation
   69,370.50 : 149,262 = 149,262 : x
2. Step 2: Convert to fraction form
   69,370.50/149,262 = 149,262/x
3. Step 3: Cross multiply
   69,370.50x = 149,262 × 149,262
4. Step 4: Simplify right side
   69,370.50x = 22,279,144,644
5. Step 5: Solve for x
   x = 22,279,144,644/69,370.50
6. Step 6: Final answer
   x = 321,161.66