Finding the Third Proportional to 30,253.50 and 42,316.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,253.50 : 42,316.50 = 42,316.50 : x
2. Step 2: Convert to fraction form
   30,253.50/42,316.50 = 42,316.50/x
3. Step 3: Cross multiply
   30,253.50x = 42,316.50 × 42,316.50
4. Step 4: Simplify right side
   30,253.50x = 1,790,686,172.25
5. Step 5: Solve for x
   x = 1,790,686,172.25/30,253.50
6. Step 6: Final answer
   x = 59,189.39