Finding the Third Proportional to 67,068 and 71,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,068 : 71,887.50 = 71,887.50 : x
2. Step 2: Convert to fraction form
   67,068/71,887.50 = 71,887.50/x
3. Step 3: Cross multiply
   67,068x = 71,887.50 × 71,887.50
4. Step 4: Simplify right side
   67,068x = 5,167,812,656.25
5. Step 5: Solve for x
   x = 5,167,812,656.25/67,068
6. Step 6: Final answer
   x = 77,053.33