Finding the Third Proportional to 607,663.50 and 1,309,530

Step by Step Solution

1. Step 1: Write the proportion equation
   607,663.50 : 1,309,530 = 1,309,530 : x
2. Step 2: Convert to fraction form
   607,663.50/1,309,530 = 1,309,530/x
3. Step 3: Cross multiply
   607,663.50x = 1,309,530 × 1,309,530
4. Step 4: Simplify right side
   607,663.50x = 1,714,868,820,900
5. Step 5: Solve for x
   x = 1,714,868,820,900/607,663.50
6. Step 6: Final answer
   x = 2,822,069.81