Finding the Third Proportional to 345,841.31 and 529,255.69

Step by Step Solution

1. Step 1: Write the proportion equation
   345,841.31 : 529,255.69 = 529,255.69 : x
2. Step 2: Convert to fraction form
   345,841.31/529,255.69 = 529,255.69/x
3. Step 3: Cross multiply
   345,841.31x = 529,255.69 × 529,255.69
4. Step 4: Simplify right side
   345,841.31x = 280,111,582,751.10
5. Step 5: Solve for x
   x = 280,111,582,751.10/345,841.31
6. Step 6: Final answer
   x = 809,942.52