Finding the Third Proportional to 75,430.50 and 103,906

Step by Step Solution

1. Step 1: Write the proportion equation
   75,430.50 : 103,906 = 103,906 : x
2. Step 2: Convert to fraction form
   75,430.50/103,906 = 103,906/x
3. Step 3: Cross multiply
   75,430.50x = 103,906 × 103,906
4. Step 4: Simplify right side
   75,430.50x = 10,796,456,836
5. Step 5: Solve for x
   x = 10,796,456,836/75,430.50
6. Step 6: Final answer
   x = 143,131.18