Finding the Third Proportional to 59,115 and 86,944.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,115 : 86,944.50 = 86,944.50 : x
2. Step 2: Convert to fraction form
   59,115/86,944.50 = 86,944.50/x
3. Step 3: Cross multiply
   59,115x = 86,944.50 × 86,944.50
4. Step 4: Simplify right side
   59,115x = 7,559,346,080.25
5. Step 5: Solve for x
   x = 7,559,346,080.25/59,115
6. Step 6: Final answer
   x = 127,875.26