Finding the Third Proportional to 30,616.50 and 70,567.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,616.50 : 70,567.50 = 70,567.50 : x
2. Step 2: Convert to fraction form
   30,616.50/70,567.50 = 70,567.50/x
3. Step 3: Cross multiply
   30,616.50x = 70,567.50 × 70,567.50
4. Step 4: Simplify right side
   30,616.50x = 4,979,772,056.25
5. Step 5: Solve for x
   x = 4,979,772,056.25/30,616.50
6. Step 6: Final answer
   x = 162,649.95