Finding the Third Proportional to 85,900.50 and 130,673.25

Step by Step Solution

1. Step 1: Write the proportion equation
   85,900.50 : 130,673.25 = 130,673.25 : x
2. Step 2: Convert to fraction form
   85,900.50/130,673.25 = 130,673.25/x
3. Step 3: Cross multiply
   85,900.50x = 130,673.25 × 130,673.25
4. Step 4: Simplify right side
   85,900.50x = 17,075,498,265.56
5. Step 5: Solve for x
   x = 17,075,498,265.56/85,900.50
6. Step 6: Final answer
   x = 198,782.29