Finding the Third Proportional to 320,098.50 and 700,461

Step by Step Solution

1. Step 1: Write the proportion equation
   320,098.50 : 700,461 = 700,461 : x
2. Step 2: Convert to fraction form
   320,098.50/700,461 = 700,461/x
3. Step 3: Cross multiply
   320,098.50x = 700,461 × 700,461
4. Step 4: Simplify right side
   320,098.50x = 490,645,612,521
5. Step 5: Solve for x
   x = 490,645,612,521/320,098.50
6. Step 6: Final answer
   x = 1,532,795.73