Finding the Third Proportional to 173,647.50 and 356,511

Step by Step Solution

1. Step 1: Write the proportion equation
   173,647.50 : 356,511 = 356,511 : x
2. Step 2: Convert to fraction form
   173,647.50/356,511 = 356,511/x
3. Step 3: Cross multiply
   173,647.50x = 356,511 × 356,511
4. Step 4: Simplify right side
   173,647.50x = 127,100,093,121
5. Step 5: Solve for x
   x = 127,100,093,121/173,647.50
6. Step 6: Final answer
   x = 731,943.12