Finding the Third Proportional to 86,397.75 and 130,806

Step by Step Solution

1. Step 1: Write the proportion equation
   86,397.75 : 130,806 = 130,806 : x
2. Step 2: Convert to fraction form
   86,397.75/130,806 = 130,806/x
3. Step 3: Cross multiply
   86,397.75x = 130,806 × 130,806
4. Step 4: Simplify right side
   86,397.75x = 17,110,209,636
5. Step 5: Solve for x
   x = 17,110,209,636/86,397.75
6. Step 6: Final answer
   x = 198,039.99