Finding the Third Proportional to 42,110 and 64,712

Step by Step Solution

1. Step 1: Write the proportion equation
   42,110 : 64,712 = 64,712 : x
2. Step 2: Convert to fraction form
   42,110/64,712 = 64,712/x
3. Step 3: Cross multiply
   42,110x = 64,712 × 64,712
4. Step 4: Simplify right side
   42,110x = 4,187,642,944
5. Step 5: Solve for x
   x = 4,187,642,944/42,110
6. Step 6: Final answer
   x = 99,445.33