Finding the Third Proportional to 491,445 and 660,829.50

Step by Step Solution

1. Step 1: Write the proportion equation
   491,445 : 660,829.50 = 660,829.50 : x
2. Step 2: Convert to fraction form
   491,445/660,829.50 = 660,829.50/x
3. Step 3: Cross multiply
   491,445x = 660,829.50 × 660,829.50
4. Step 4: Simplify right side
   491,445x = 436,695,628,070.25
5. Step 5: Solve for x
   x = 436,695,628,070.25/491,445
6. Step 6: Final answer
   x = 888,595.12