Finding the Third Proportional to 43,279.50 and 64,746.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,279.50 : 64,746.50 = 64,746.50 : x
2. Step 2: Convert to fraction form
   43,279.50/64,746.50 = 64,746.50/x
3. Step 3: Cross multiply
   43,279.50x = 64,746.50 × 64,746.50
4. Step 4: Simplify right side
   43,279.50x = 4,192,109,262.25
5. Step 5: Solve for x
   x = 4,192,109,262.25/43,279.50
6. Step 6: Final answer
   x = 96,861.31