Finding the Third Proportional to 71,349 and 168,733.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,349 : 168,733.50 = 168,733.50 : x
2. Step 2: Convert to fraction form
   71,349/168,733.50 = 168,733.50/x
3. Step 3: Cross multiply
   71,349x = 168,733.50 × 168,733.50
4. Step 4: Simplify right side
   71,349x = 28,470,994,022.25
5. Step 5: Solve for x
   x = 28,470,994,022.25/71,349
6. Step 6: Final answer
   x = 399,038.45