Finding the Third Proportional to 10,666.69 and 21,925.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,666.69 : 21,925.69 = 21,925.69 : x
2. Step 2: Convert to fraction form
   10,666.69/21,925.69 = 21,925.69/x
3. Step 3: Cross multiply
   10,666.69x = 21,925.69 × 21,925.69
4. Step 4: Simplify right side
   10,666.69x = 480,735,772.35
5. Step 5: Solve for x
   x = 480,735,772.35/10,666.69
6. Step 6: Final answer
   x = 45,068.89