Finding the Third Proportional to 48,421.50 and 64,943.25

Step by Step Solution

1. Step 1: Write the proportion equation
   48,421.50 : 64,943.25 = 64,943.25 : x
2. Step 2: Convert to fraction form
   48,421.50/64,943.25 = 64,943.25/x
3. Step 3: Cross multiply
   48,421.50x = 64,943.25 × 64,943.25
4. Step 4: Simplify right side
   48,421.50x = 4,217,625,720.56
5. Step 5: Solve for x
   x = 4,217,625,720.56/48,421.50
6. Step 6: Final answer
   x = 87,102.34