Finding the Third Proportional to 146,392.50 and 319,557

Step by Step Solution

1. Step 1: Write the proportion equation
   146,392.50 : 319,557 = 319,557 : x
2. Step 2: Convert to fraction form
   146,392.50/319,557 = 319,557/x
3. Step 3: Cross multiply
   146,392.50x = 319,557 × 319,557
4. Step 4: Simplify right side
   146,392.50x = 102,116,676,249
5. Step 5: Solve for x
   x = 102,116,676,249/146,392.50
6. Step 6: Final answer
   x = 697,554.02