Finding the Third Proportional to 284,785.50 and 606,381

Step by Step Solution

1. Step 1: Write the proportion equation
   284,785.50 : 606,381 = 606,381 : x
2. Step 2: Convert to fraction form
   284,785.50/606,381 = 606,381/x
3. Step 3: Cross multiply
   284,785.50x = 606,381 × 606,381
4. Step 4: Simplify right side
   284,785.50x = 367,697,917,161
5. Step 5: Solve for x
   x = 367,697,917,161/284,785.50
6. Step 6: Final answer
   x = 1,291,139.88