Finding the Third Proportional to 99,448 and 139,044

Step by Step Solution

1. Step 1: Write the proportion equation
   99,448 : 139,044 = 139,044 : x
2. Step 2: Convert to fraction form
   99,448/139,044 = 139,044/x
3. Step 3: Cross multiply
   99,448x = 139,044 × 139,044
4. Step 4: Simplify right side
   99,448x = 19,333,233,936
5. Step 5: Solve for x
   x = 19,333,233,936/99,448
6. Step 6: Final answer
   x = 194,405.46