Finding the Third Proportional to 72,604 and 156,338

Step by Step Solution

1. Step 1: Write the proportion equation
   72,604 : 156,338 = 156,338 : x
2. Step 2: Convert to fraction form
   72,604/156,338 = 156,338/x
3. Step 3: Cross multiply
   72,604x = 156,338 × 156,338
4. Step 4: Simplify right side
   72,604x = 24,441,570,244
5. Step 5: Solve for x
   x = 24,441,570,244/72,604
6. Step 6: Final answer
   x = 336,642.20