Finding the Third Proportional to 343,505.81 and 525,464.72

Step by Step Solution

1. Step 1: Write the proportion equation
   343,505.81 : 525,464.72 = 525,464.72 : x
2. Step 2: Convert to fraction form
   343,505.81/525,464.72 = 525,464.72/x
3. Step 3: Cross multiply
   343,505.81x = 525,464.72 × 525,464.72
4. Step 4: Simplify right side
   343,505.81x = 276,113,170,651.02
5. Step 5: Solve for x
   x = 276,113,170,651.02/343,505.81
6. Step 6: Final answer
   x = 803,809.31