Finding the Third Proportional to 86,254.50 and 130,938

Step by Step Solution

1. Step 1: Write the proportion equation
   86,254.50 : 130,938 = 130,938 : x
2. Step 2: Convert to fraction form
   86,254.50/130,938 = 130,938/x
3. Step 3: Cross multiply
   86,254.50x = 130,938 × 130,938
4. Step 4: Simplify right side
   86,254.50x = 17,144,759,844
5. Step 5: Solve for x
   x = 17,144,759,844/86,254.50
6. Step 6: Final answer
   x = 198,769.45