Finding the Third Proportional to 89,719 and 130,402

Step by Step Solution

1. Step 1: Write the proportion equation
   89,719 : 130,402 = 130,402 : x
2. Step 2: Convert to fraction form
   89,719/130,402 = 130,402/x
3. Step 3: Cross multiply
   89,719x = 130,402 × 130,402
4. Step 4: Simplify right side
   89,719x = 17,004,681,604
5. Step 5: Solve for x
   x = 17,004,681,604/89,719
6. Step 6: Final answer
   x = 189,532.67