Finding the Third Proportional to 858,298.50 and 1,864,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   858,298.50 : 1,864,075.50 = 1,864,075.50 : x
2. Step 2: Convert to fraction form
   858,298.50/1,864,075.50 = 1,864,075.50/x
3. Step 3: Cross multiply
   858,298.50x = 1,864,075.50 × 1,864,075.50
4. Step 4: Simplify right side
   858,298.50x = 3,474,777,469,700.25
5. Step 5: Solve for x
   x = 3,474,777,469,700.25/858,298.50
6. Step 6: Final answer
   x = 4,048,448.73