Finding the Third Proportional to 71,588.25 and 148,131

Step by Step Solution

1. Step 1: Write the proportion equation
   71,588.25 : 148,131 = 148,131 : x
2. Step 2: Convert to fraction form
   71,588.25/148,131 = 148,131/x
3. Step 3: Cross multiply
   71,588.25x = 148,131 × 148,131
4. Step 4: Simplify right side
   71,588.25x = 21,942,793,161
5. Step 5: Solve for x
   x = 21,942,793,161/71,588.25
6. Step 6: Final answer
   x = 306,513.89