Finding the Third Proportional to 131,075 and 286,680.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,075 : 286,680.50 = 286,680.50 : x
2. Step 2: Convert to fraction form
   131,075/286,680.50 = 286,680.50/x
3. Step 3: Cross multiply
   131,075x = 286,680.50 × 286,680.50
4. Step 4: Simplify right side
   131,075x = 82,185,709,080.25
5. Step 5: Solve for x
   x = 82,185,709,080.25/131,075
6. Step 6: Final answer
   x = 627,012.85