Finding the Third Proportional to 99,444 and 139,038

Step by Step Solution

1. Step 1: Write the proportion equation
   99,444 : 139,038 = 139,038 : x
2. Step 2: Convert to fraction form
   99,444/139,038 = 139,038/x
3. Step 3: Cross multiply
   99,444x = 139,038 × 139,038
4. Step 4: Simplify right side
   99,444x = 19,331,565,444
5. Step 5: Solve for x
   x = 19,331,565,444/99,444
6. Step 6: Final answer
   x = 194,396.50