Finding the Third Proportional to 9,151.03 and 19,980.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,151.03 : 19,980.28 = 19,980.28 : x
2. Step 2: Convert to fraction form
   9,151.03/19,980.28 = 19,980.28/x
3. Step 3: Cross multiply
   9,151.03x = 19,980.28 × 19,980.28
4. Step 4: Simplify right side
   9,151.03x = 399,211,638.83
5. Step 5: Solve for x
   x = 399,211,638.83/9,151.03
6. Step 6: Final answer
   x = 43,624.77