Finding the Third Proportional to 78,952.22 and 172,666.69

Step by Step Solution

1. Step 1: Write the proportion equation
   78,952.22 : 172,666.69 = 172,666.69 : x
2. Step 2: Convert to fraction form
   78,952.22/172,666.69 = 172,666.69/x
3. Step 3: Cross multiply
   78,952.22x = 172,666.69 × 172,666.69
4. Step 4: Simplify right side
   78,952.22x = 29,813,784,972.22
5. Step 5: Solve for x
   x = 29,813,784,972.22/78,952.22
6. Step 6: Final answer
   x = 377,618.08