Finding the Third Proportional to 37,640 and 58,248

Step by Step Solution

1. Step 1: Write the proportion equation
   37,640 : 58,248 = 58,248 : x
2. Step 2: Convert to fraction form
   37,640/58,248 = 58,248/x
3. Step 3: Cross multiply
   37,640x = 58,248 × 58,248
4. Step 4: Simplify right side
   37,640x = 3,392,829,504
5. Step 5: Solve for x
   x = 3,392,829,504/37,640
6. Step 6: Final answer
   x = 90,138.93