Finding the Third Proportional to 43,116 and 64,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,116 : 64,408.50 = 64,408.50 : x
2. Step 2: Convert to fraction form
   43,116/64,408.50 = 64,408.50/x
3. Step 3: Cross multiply
   43,116x = 64,408.50 × 64,408.50
4. Step 4: Simplify right side
   43,116x = 4,148,454,872.25
5. Step 5: Solve for x
   x = 4,148,454,872.25/43,116
6. Step 6: Final answer
   x = 96,216.13