Finding the Third Proportional to 534,304.50 and 787,328

Step by Step Solution

1. Step 1: Write the proportion equation
   534,304.50 : 787,328 = 787,328 : x
2. Step 2: Convert to fraction form
   534,304.50/787,328 = 787,328/x
3. Step 3: Cross multiply
   534,304.50x = 787,328 × 787,328
4. Step 4: Simplify right side
   534,304.50x = 619,885,379,584
5. Step 5: Solve for x
   x = 619,885,379,584/534,304.50
6. Step 6: Final answer
   x = 1,160,172.49