Finding the Third Proportional to 307,603.50 and 481,566

Step by Step Solution

1. Step 1: Write the proportion equation
   307,603.50 : 481,566 = 481,566 : x
2. Step 2: Convert to fraction form
   307,603.50/481,566 = 481,566/x
3. Step 3: Cross multiply
   307,603.50x = 481,566 × 481,566
4. Step 4: Simplify right side
   307,603.50x = 231,905,812,356
5. Step 5: Solve for x
   x = 231,905,812,356/307,603.50
6. Step 6: Final answer
   x = 753,911.49