Finding the Third Proportional to 64,227.94 and 68,670.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,227.94 : 68,670.28 = 68,670.28 : x
2. Step 2: Convert to fraction form
   64,227.94/68,670.28 = 68,670.28/x
3. Step 3: Cross multiply
   64,227.94x = 68,670.28 × 68,670.28
4. Step 4: Simplify right side
   64,227.94x = 4,715,607,526.95
5. Step 5: Solve for x
   x = 4,715,607,526.95/64,227.94
6. Step 6: Final answer
   x = 73,419.88