Finding the Third Proportional to 458,455.50 and 708,460

Step by Step Solution

1. Step 1: Write the proportion equation
   458,455.50 : 708,460 = 708,460 : x
2. Step 2: Convert to fraction form
   458,455.50/708,460 = 708,460/x
3. Step 3: Cross multiply
   458,455.50x = 708,460 × 708,460
4. Step 4: Simplify right side
   458,455.50x = 501,915,571,600
5. Step 5: Solve for x
   x = 501,915,571,600/458,455.50
6. Step 6: Final answer
   x = 1,094,796.71