Finding the Third Proportional to 46,434.50 and 69,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,434.50 : 69,989.50 = 69,989.50 : x
2. Step 2: Convert to fraction form
   46,434.50/69,989.50 = 69,989.50/x
3. Step 3: Cross multiply
   46,434.50x = 69,989.50 × 69,989.50
4. Step 4: Simplify right side
   46,434.50x = 4,898,530,110.25
5. Step 5: Solve for x
   x = 4,898,530,110.25/46,434.50
6. Step 6: Final answer
   x = 105,493.33