Finding the Third Proportional to 42,012 and 64,118.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012 : 64,118.25 = 64,118.25 : x
2. Step 2: Convert to fraction form
   42,012/64,118.25 = 64,118.25/x
3. Step 3: Cross multiply
   42,012x = 64,118.25 × 64,118.25
4. Step 4: Simplify right side
   42,012x = 4,111,149,983.06
5. Step 5: Solve for x
   x = 4,111,149,983.06/42,012
6. Step 6: Final answer
   x = 97,856.56