Finding the Third Proportional to 58,536.42 and 64,687.36

Step by Step Solution

1. Step 1: Write the proportion equation
   58,536.42 : 64,687.36 = 64,687.36 : x
2. Step 2: Convert to fraction form
   58,536.42/64,687.36 = 64,687.36/x
3. Step 3: Cross multiply
   58,536.42x = 64,687.36 × 64,687.36
4. Step 4: Simplify right side
   58,536.42x = 4,184,454,462.91
5. Step 5: Solve for x
   x = 4,184,454,462.91/58,536.42
6. Step 6: Final answer
   x = 71,484.63