Finding the Third Proportional to 43,116.75 and 64,409.63

Step by Step Solution

1. Step 1: Write the proportion equation
   43,116.75 : 64,409.63 = 64,409.63 : x
2. Step 2: Convert to fraction form
   43,116.75/64,409.63 = 64,409.63/x
3. Step 3: Cross multiply
   43,116.75x = 64,409.63 × 64,409.63
4. Step 4: Simplify right side
   43,116.75x = 4,148,599,792.64
5. Step 5: Solve for x
   x = 4,148,599,792.64/43,116.75
6. Step 6: Final answer
   x = 96,217.82