Finding the Third Proportional to 34,485.12 and 53,416.34

Step by Step Solution

1. Step 1: Write the proportion equation
   34,485.12 : 53,416.34 = 53,416.34 : x
2. Step 2: Convert to fraction form
   34,485.12/53,416.34 = 53,416.34/x
3. Step 3: Cross multiply
   34,485.12x = 53,416.34 × 53,416.34
4. Step 4: Simplify right side
   34,485.12x = 2,853,304,944.99
5. Step 5: Solve for x
   x = 2,853,304,944.99/34,485.12
6. Step 6: Final answer
   x = 82,740.18