Finding the Third Proportional to 83,496 and 129,307.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,496 : 129,307.50 = 129,307.50 : x
2. Step 2: Convert to fraction form
   83,496/129,307.50 = 129,307.50/x
3. Step 3: Cross multiply
   83,496x = 129,307.50 × 129,307.50
4. Step 4: Simplify right side
   83,496x = 16,720,429,556.25
5. Step 5: Solve for x
   x = 16,720,429,556.25/83,496
6. Step 6: Final answer
   x = 200,254.26