Finding the Third Proportional to 72,455 and 156,969

Step by Step Solution

1. Step 1: Write the proportion equation
   72,455 : 156,969 = 156,969 : x
2. Step 2: Convert to fraction form
   72,455/156,969 = 156,969/x
3. Step 3: Cross multiply
   72,455x = 156,969 × 156,969
4. Step 4: Simplify right side
   72,455x = 24,639,266,961
5. Step 5: Solve for x
   x = 24,639,266,961/72,455
6. Step 6: Final answer
   x = 340,063.03