Finding the Third Proportional to 309,667.50 and 452,552

Step by Step Solution

1. Step 1: Write the proportion equation
   309,667.50 : 452,552 = 452,552 : x
2. Step 2: Convert to fraction form
   309,667.50/452,552 = 452,552/x
3. Step 3: Cross multiply
   309,667.50x = 452,552 × 452,552
4. Step 4: Simplify right side
   309,667.50x = 204,803,312,704
5. Step 5: Solve for x
   x = 204,803,312,704/309,667.50
6. Step 6: Final answer
   x = 661,365.21