Finding the Third Proportional to 343,216 and 525,037.50

Step by Step Solution

1. Step 1: Write the proportion equation
   343,216 : 525,037.50 = 525,037.50 : x
2. Step 2: Convert to fraction form
   343,216/525,037.50 = 525,037.50/x
3. Step 3: Cross multiply
   343,216x = 525,037.50 × 525,037.50
4. Step 4: Simplify right side
   343,216x = 275,664,376,406.25
5. Step 5: Solve for x
   x = 275,664,376,406.25/343,216
6. Step 6: Final answer
   x = 803,180.44