Finding the Third Proportional to 59,953.50 and 129,513

Step by Step Solution

1. Step 1: Write the proportion equation
   59,953.50 : 129,513 = 129,513 : x
2. Step 2: Convert to fraction form
   59,953.50/129,513 = 129,513/x
3. Step 3: Cross multiply
   59,953.50x = 129,513 × 129,513
4. Step 4: Simplify right side
   59,953.50x = 16,773,617,169
5. Step 5: Solve for x
   x = 16,773,617,169/59,953.50
6. Step 6: Final answer
   x = 279,777.11