Finding the Third Proportional to 303,667.50 and 432,582

Step by Step Solution

1. Step 1: Write the proportion equation
   303,667.50 : 432,582 = 432,582 : x
2. Step 2: Convert to fraction form
   303,667.50/432,582 = 432,582/x
3. Step 3: Cross multiply
   303,667.50x = 432,582 × 432,582
4. Step 4: Simplify right side
   303,667.50x = 187,127,186,724
5. Step 5: Solve for x
   x = 187,127,186,724/303,667.50
6. Step 6: Final answer
   x = 616,223.95