Finding the Third Proportional to 607,842 and 1,322,711

Step by Step Solution

1. Step 1: Write the proportion equation
   607,842 : 1,322,711 = 1,322,711 : x
2. Step 2: Convert to fraction form
   607,842/1,322,711 = 1,322,711/x
3. Step 3: Cross multiply
   607,842x = 1,322,711 × 1,322,711
4. Step 4: Simplify right side
   607,842x = 1,749,564,389,521
5. Step 5: Solve for x
   x = 1,749,564,389,521/607,842
6. Step 6: Final answer
   x = 2,878,320.99