Finding the Third Proportional to 37,139 and 57,558

Step by Step Solution

1. Step 1: Write the proportion equation
   37,139 : 57,558 = 57,558 : x
2. Step 2: Convert to fraction form
   37,139/57,558 = 57,558/x
3. Step 3: Cross multiply
   37,139x = 57,558 × 57,558
4. Step 4: Simplify right side
   37,139x = 3,312,923,364
5. Step 5: Solve for x
   x = 3,312,923,364/37,139
6. Step 6: Final answer
   x = 89,203.35