Finding the Third Proportional to 78,697.50 and 168,614

Step by Step Solution

1. Step 1: Write the proportion equation
   78,697.50 : 168,614 = 168,614 : x
2. Step 2: Convert to fraction form
   78,697.50/168,614 = 168,614/x
3. Step 3: Cross multiply
   78,697.50x = 168,614 × 168,614
4. Step 4: Simplify right side
   78,697.50x = 28,430,680,996
5. Step 5: Solve for x
   x = 28,430,680,996/78,697.50
6. Step 6: Final answer
   x = 361,265.36