Finding the Third Proportional to 164,385 and 247,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   164,385 : 247,522.50 = 247,522.50 : x
2. Step 2: Convert to fraction form
   164,385/247,522.50 = 247,522.50/x
3. Step 3: Cross multiply
   164,385x = 247,522.50 × 247,522.50
4. Step 4: Simplify right side
   164,385x = 61,267,388,006.25
5. Step 5: Solve for x
   x = 61,267,388,006.25/164,385
6. Step 6: Final answer
   x = 372,706.68