Finding the Third Proportional to 28,116 and 60,817.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,116 : 60,817.50 = 60,817.50 : x
2. Step 2: Convert to fraction form
   28,116/60,817.50 = 60,817.50/x
3. Step 3: Cross multiply
   28,116x = 60,817.50 × 60,817.50
4. Step 4: Simplify right side
   28,116x = 3,698,768,306.25
5. Step 5: Solve for x
   x = 3,698,768,306.25/28,116
6. Step 6: Final answer
   x = 131,553.86