Finding the Third Proportional to 60,390 and 142,097

Step by Step Solution

1. Step 1: Write the proportion equation
   60,390 : 142,097 = 142,097 : x
2. Step 2: Convert to fraction form
   60,390/142,097 = 142,097/x
3. Step 3: Cross multiply
   60,390x = 142,097 × 142,097
4. Step 4: Simplify right side
   60,390x = 20,191,557,409
5. Step 5: Solve for x
   x = 20,191,557,409/60,390
6. Step 6: Final answer
   x = 334,352.66