Finding the Third Proportional to 42,274 and 99,973

Step by Step Solution

1. Step 1: Write the proportion equation
   42,274 : 99,973 = 99,973 : x
2. Step 2: Convert to fraction form
   42,274/99,973 = 99,973/x
3. Step 3: Cross multiply
   42,274x = 99,973 × 99,973
4. Step 4: Simplify right side
   42,274x = 9,994,600,729
5. Step 5: Solve for x
   x = 9,994,600,729/42,274
6. Step 6: Final answer
   x = 236,424.30