Finding the Third Proportional to 48,570.75 and 64,558.69

Step by Step Solution

1. Step 1: Write the proportion equation
   48,570.75 : 64,558.69 = 64,558.69 : x
2. Step 2: Convert to fraction form
   48,570.75/64,558.69 = 64,558.69/x
3. Step 3: Cross multiply
   48,570.75x = 64,558.69 × 64,558.69
4. Step 4: Simplify right side
   48,570.75x = 4,167,824,131.72
5. Step 5: Solve for x
   x = 4,167,824,131.72/48,570.75
6. Step 6: Final answer
   x = 85,809.34