Finding the Third Proportional to 30,322.50 and 70,017.75

Step by Step Solution

1. Step 1: Write the proportion equation
   30,322.50 : 70,017.75 = 70,017.75 : x
2. Step 2: Convert to fraction form
   30,322.50/70,017.75 = 70,017.75/x
3. Step 3: Cross multiply
   30,322.50x = 70,017.75 × 70,017.75
4. Step 4: Simplify right side
   30,322.50x = 4,902,485,315.06
5. Step 5: Solve for x
   x = 4,902,485,315.06/30,322.50
6. Step 6: Final answer
   x = 161,678.14