Finding the Third Proportional to 42,274.13 and 99,974.25

Step by Step Solution

1. Step 1: Write the proportion equation
   42,274.13 : 99,974.25 = 99,974.25 : x
2. Step 2: Convert to fraction form
   42,274.13/99,974.25 = 99,974.25/x
3. Step 3: Cross multiply
   42,274.13x = 99,974.25 × 99,974.25
4. Step 4: Simplify right side
   42,274.13x = 9,994,850,663.06
5. Step 5: Solve for x
   x = 9,994,850,663.06/42,274.13
6. Step 6: Final answer
   x = 236,429.51