Finding the Third Proportional to 303,757.50 and 716,130

Step by Step Solution

1. Step 1: Write the proportion equation
   303,757.50 : 716,130 = 716,130 : x
2. Step 2: Convert to fraction form
   303,757.50/716,130 = 716,130/x
3. Step 3: Cross multiply
   303,757.50x = 716,130 × 716,130
4. Step 4: Simplify right side
   303,757.50x = 512,842,176,900
5. Step 5: Solve for x
   x = 512,842,176,900/303,757.50
6. Step 6: Final answer
   x = 1,688,327.62