Finding the Third Proportional to 36,117 and 87,011.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,117 : 87,011.50 = 87,011.50 : x
2. Step 2: Convert to fraction form
   36,117/87,011.50 = 87,011.50/x
3. Step 3: Cross multiply
   36,117x = 87,011.50 × 87,011.50
4. Step 4: Simplify right side
   36,117x = 7,571,001,132.25
5. Step 5: Solve for x
   x = 7,571,001,132.25/36,117
6. Step 6: Final answer
   x = 209,624.31