Finding the Third Proportional to 42,818.63 and 64,227.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,818.63 : 64,227.94 = 64,227.94 : x
2. Step 2: Convert to fraction form
   42,818.63/64,227.94 = 64,227.94/x
3. Step 3: Cross multiply
   42,818.63x = 64,227.94 × 64,227.94
4. Step 4: Simplify right side
   42,818.63x = 4,125,227,955.50
5. Step 5: Solve for x
   x = 4,125,227,955.50/42,818.63
6. Step 6: Final answer
   x = 96,341.91