Finding the Third Proportional to 300,141 and 708,495

Step by Step Solution

1. Step 1: Write the proportion equation
   300,141 : 708,495 = 708,495 : x
2. Step 2: Convert to fraction form
   300,141/708,495 = 708,495/x
3. Step 3: Cross multiply
   300,141x = 708,495 × 708,495
4. Step 4: Simplify right side
   300,141x = 501,965,165,025
5. Step 5: Solve for x
   x = 501,965,165,025/300,141
6. Step 6: Final answer
   x = 1,672,431.17