Finding the Third Proportional to 37,218 and 87,783

Step by Step Solution

1. Step 1: Write the proportion equation
   37,218 : 87,783 = 87,783 : x
2. Step 2: Convert to fraction form
   37,218/87,783 = 87,783/x
3. Step 3: Cross multiply
   37,218x = 87,783 × 87,783
4. Step 4: Simplify right side
   37,218x = 7,705,855,089
5. Step 5: Solve for x
   x = 7,705,855,089/37,218
6. Step 6: Final answer
   x = 207,046.46