Finding the Third Proportional to 53,449.88 and 84,630.38

Step by Step Solution

1. Step 1: Write the proportion equation
   53,449.88 : 84,630.38 = 84,630.38 : x
2. Step 2: Convert to fraction form
   53,449.88/84,630.38 = 84,630.38/x
3. Step 3: Cross multiply
   53,449.88x = 84,630.38 × 84,630.38
4. Step 4: Simplify right side
   53,449.88x = 7,162,300,372.64
5. Step 5: Solve for x
   x = 7,162,300,372.64/53,449.88
6. Step 6: Final answer
   x = 134,000.32