Finding the Third Proportional to 264,301.31 and 400,141.69

Step by Step Solution

1. Step 1: Write the proportion equation
   264,301.31 : 400,141.69 = 400,141.69 : x
2. Step 2: Convert to fraction form
   264,301.31/400,141.69 = 400,141.69/x
3. Step 3: Cross multiply
   264,301.31x = 400,141.69 × 400,141.69
4. Step 4: Simplify right side
   264,301.31x = 160,113,370,075.35
5. Step 5: Solve for x
   x = 160,113,370,075.35/264,301.31
6. Step 6: Final answer
   x = 605,798.62