Finding the Third Proportional to 42,905.25 and 65,634.75

Step by Step Solution

1. Step 1: Write the proportion equation
   42,905.25 : 65,634.75 = 65,634.75 : x
2. Step 2: Convert to fraction form
   42,905.25/65,634.75 = 65,634.75/x
3. Step 3: Cross multiply
   42,905.25x = 65,634.75 × 65,634.75
4. Step 4: Simplify right side
   42,905.25x = 4,307,920,407.56
5. Step 5: Solve for x
   x = 4,307,920,407.56/42,905.25
6. Step 6: Final answer
   x = 100,405.44