Finding the Third Proportional to 617,598 and 1,320,810

Step by Step Solution

1. Step 1: Write the proportion equation
   617,598 : 1,320,810 = 1,320,810 : x
2. Step 2: Convert to fraction form
   617,598/1,320,810 = 1,320,810/x
3. Step 3: Cross multiply
   617,598x = 1,320,810 × 1,320,810
4. Step 4: Simplify right side
   617,598x = 1,744,539,056,100
5. Step 5: Solve for x
   x = 1,744,539,056,100/617,598
6. Step 6: Final answer
   x = 2,824,716.17