Finding the Third Proportional to 40,690.69 and 88,300.69

Step by Step Solution

1. Step 1: Write the proportion equation
   40,690.69 : 88,300.69 = 88,300.69 : x
2. Step 2: Convert to fraction form
   40,690.69/88,300.69 = 88,300.69/x
3. Step 3: Cross multiply
   40,690.69x = 88,300.69 × 88,300.69
4. Step 4: Simplify right side
   40,690.69x = 7,797,011,412.97
5. Step 5: Solve for x
   x = 7,797,011,412.97/40,690.69
6. Step 6: Final answer
   x = 191,616.61