Finding the Third Proportional to 34,290 and 53,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,290 : 53,068.50 = 53,068.50 : x
2. Step 2: Convert to fraction form
   34,290/53,068.50 = 53,068.50/x
3. Step 3: Cross multiply
   34,290x = 53,068.50 × 53,068.50
4. Step 4: Simplify right side
   34,290x = 2,816,265,692.25
5. Step 5: Solve for x
   x = 2,816,265,692.25/34,290
6. Step 6: Final answer
   x = 82,130.82