Finding the Third Proportional to 140,688 and 303,572

Step by Step Solution

1. Step 1: Write the proportion equation
   140,688 : 303,572 = 303,572 : x
2. Step 2: Convert to fraction form
   140,688/303,572 = 303,572/x
3. Step 3: Cross multiply
   140,688x = 303,572 × 303,572
4. Step 4: Simplify right side
   140,688x = 92,155,959,184
5. Step 5: Solve for x
   x = 92,155,959,184/140,688
6. Step 6: Final answer
   x = 655,037.81