Finding the Third Proportional to 37,421 and 56,131

Step by Step Solution

1. Step 1: Write the proportion equation
   37,421 : 56,131 = 56,131 : x
2. Step 2: Convert to fraction form
   37,421/56,131 = 56,131/x
3. Step 3: Cross multiply
   37,421x = 56,131 × 56,131
4. Step 4: Simplify right side
   37,421x = 3,150,689,161
5. Step 5: Solve for x
   x = 3,150,689,161/37,421
6. Step 6: Final answer
   x = 84,195.75