Finding the Third Proportional to 303,655.50 and 432,564

Step by Step Solution

1. Step 1: Write the proportion equation
   303,655.50 : 432,564 = 432,564 : x
2. Step 2: Convert to fraction form
   303,655.50/432,564 = 432,564/x
3. Step 3: Cross multiply
   303,655.50x = 432,564 × 432,564
4. Step 4: Simplify right side
   303,655.50x = 187,111,614,096
5. Step 5: Solve for x
   x = 187,111,614,096/303,655.50
6. Step 6: Final answer
   x = 616,197.02