Finding the Third Proportional to 26,817 and 58,816.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,817 : 58,816.50 = 58,816.50 : x
2. Step 2: Convert to fraction form
   26,817/58,816.50 = 58,816.50/x
3. Step 3: Cross multiply
   26,817x = 58,816.50 × 58,816.50
4. Step 4: Simplify right side
   26,817x = 3,459,380,672.25
5. Step 5: Solve for x
   x = 3,459,380,672.25/26,817
6. Step 6: Final answer
   x = 128,999.54