Finding the Third Proportional to 111,465 and 168,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,465 : 168,385.50 = 168,385.50 : x
2. Step 2: Convert to fraction form
   111,465/168,385.50 = 168,385.50/x
3. Step 3: Cross multiply
   111,465x = 168,385.50 × 168,385.50
4. Step 4: Simplify right side
   111,465x = 28,353,676,610.25
5. Step 5: Solve for x
   x = 28,353,676,610.25/111,465
6. Step 6: Final answer
   x = 254,372.91