Finding the Third Proportional to 17,070 and 23,172.75

Step by Step Solution

1. Step 1: Write the proportion equation
   17,070 : 23,172.75 = 23,172.75 : x
2. Step 2: Convert to fraction form
   17,070/23,172.75 = 23,172.75/x
3. Step 3: Cross multiply
   17,070x = 23,172.75 × 23,172.75
4. Step 4: Simplify right side
   17,070x = 536,976,342.56
5. Step 5: Solve for x
   x = 536,976,342.56/17,070
6. Step 6: Final answer
   x = 31,457.31