Finding the Third Proportional to 42,219 and 61,336

Step by Step Solution

1. Step 1: Write the proportion equation
   42,219 : 61,336 = 61,336 : x
2. Step 2: Convert to fraction form
   42,219/61,336 = 61,336/x
3. Step 3: Cross multiply
   42,219x = 61,336 × 61,336
4. Step 4: Simplify right side
   42,219x = 3,762,104,896
5. Step 5: Solve for x
   x = 3,762,104,896/42,219
6. Step 6: Final answer
   x = 89,109.28