Finding the Third Proportional to 172,298 and 365,052

Step by Step Solution

1. Step 1: Write the proportion equation
   172,298 : 365,052 = 365,052 : x
2. Step 2: Convert to fraction form
   172,298/365,052 = 365,052/x
3. Step 3: Cross multiply
   172,298x = 365,052 × 365,052
4. Step 4: Simplify right side
   172,298x = 133,262,962,704
5. Step 5: Solve for x
   x = 133,262,962,704/172,298
6. Step 6: Final answer
   x = 773,444.63