Finding the Third Proportional to 9,991.69 and 23,069.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,991.69 : 23,069.81 = 23,069.81 : x
2. Step 2: Convert to fraction form
   9,991.69/23,069.81 = 23,069.81/x
3. Step 3: Cross multiply
   9,991.69x = 23,069.81 × 23,069.81
4. Step 4: Simplify right side
   9,991.69x = 532,216,248.79
5. Step 5: Solve for x
   x = 532,216,248.79/9,991.69
6. Step 6: Final answer
   x = 53,265.90