Finding the Third Proportional to 83,443.50 and 129,444

Step by Step Solution

1. Step 1: Write the proportion equation
   83,443.50 : 129,444 = 129,444 : x
2. Step 2: Convert to fraction form
   83,443.50/129,444 = 129,444/x
3. Step 3: Cross multiply
   83,443.50x = 129,444 × 129,444
4. Step 4: Simplify right side
   83,443.50x = 16,755,749,136
5. Step 5: Solve for x
   x = 16,755,749,136/83,443.50
6. Step 6: Final answer
   x = 200,803.53