Finding the Third Proportional to 59,715 and 130,918.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,715 : 130,918.50 = 130,918.50 : x
2. Step 2: Convert to fraction form
   59,715/130,918.50 = 130,918.50/x
3. Step 3: Cross multiply
   59,715x = 130,918.50 × 130,918.50
4. Step 4: Simplify right side
   59,715x = 17,139,653,642.25
5. Step 5: Solve for x
   x = 17,139,653,642.25/59,715
6. Step 6: Final answer
   x = 287,024.26