Finding the Third Proportional to 154,538 and 338,602

Step by Step Solution

1. Step 1: Write the proportion equation
   154,538 : 338,602 = 338,602 : x
2. Step 2: Convert to fraction form
   154,538/338,602 = 338,602/x
3. Step 3: Cross multiply
   154,538x = 338,602 × 338,602
4. Step 4: Simplify right side
   154,538x = 114,651,314,404
5. Step 5: Solve for x
   x = 114,651,314,404/154,538
6. Step 6: Final answer
   x = 741,897.23