Finding the Third Proportional to 87,465 and 135,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,465 : 135,061.50 = 135,061.50 : x
2. Step 2: Convert to fraction form
   87,465/135,061.50 = 135,061.50/x
3. Step 3: Cross multiply
   87,465x = 135,061.50 × 135,061.50
4. Step 4: Simplify right side
   87,465x = 18,241,608,782.25
5. Step 5: Solve for x
   x = 18,241,608,782.25/87,465
6. Step 6: Final answer
   x = 208,558.95