Finding the Third Proportional to 71,139 and 151,038

Step by Step Solution

1. Step 1: Write the proportion equation
   71,139 : 151,038 = 151,038 : x
2. Step 2: Convert to fraction form
   71,139/151,038 = 151,038/x
3. Step 3: Cross multiply
   71,139x = 151,038 × 151,038
4. Step 4: Simplify right side
   71,139x = 22,812,477,444
5. Step 5: Solve for x
   x = 22,812,477,444/71,139
6. Step 6: Final answer
   x = 320,674.70