Finding the Third Proportional to 39,087 and 53,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,087 : 53,068.50 = 53,068.50 : x
2. Step 2: Convert to fraction form
   39,087/53,068.50 = 53,068.50/x
3. Step 3: Cross multiply
   39,087x = 53,068.50 × 53,068.50
4. Step 4: Simplify right side
   39,087x = 2,816,265,692.25
5. Step 5: Solve for x
   x = 2,816,265,692.25/39,087
6. Step 6: Final answer
   x = 72,051.21