Finding the Third Proportional to 67,910.55 and 147,497.56

Step by Step Solution

1. Step 1: Write the proportion equation
   67,910.55 : 147,497.56 = 147,497.56 : x
2. Step 2: Convert to fraction form
   67,910.55/147,497.56 = 147,497.56/x
3. Step 3: Cross multiply
   67,910.55x = 147,497.56 × 147,497.56
4. Step 4: Simplify right side
   67,910.55x = 21,755,529,935.16
5. Step 5: Solve for x
   x = 21,755,529,935.16/67,910.55
6. Step 6: Final answer
   x = 320,355.67