Finding the Third Proportional to 4,561.31 and 9,430.17

Step by Step Solution

1. Step 1: Write the proportion equation
   4,561.31 : 9,430.17 = 9,430.17 : x
2. Step 2: Convert to fraction form
   4,561.31/9,430.17 = 9,430.17/x
3. Step 3: Cross multiply
   4,561.31x = 9,430.17 × 9,430.17
4. Step 4: Simplify right side
   4,561.31x = 88,928,141.59
5. Step 5: Solve for x
   x = 88,928,141.59/4,561.31
6. Step 6: Final answer
   x = 19,496.17