Finding the Third Proportional to 607,806 and 1,322,640

Step by Step Solution

1. Step 1: Write the proportion equation
   607,806 : 1,322,640 = 1,322,640 : x
2. Step 2: Convert to fraction form
   607,806/1,322,640 = 1,322,640/x
3. Step 3: Cross multiply
   607,806x = 1,322,640 × 1,322,640
4. Step 4: Simplify right side
   607,806x = 1,749,376,569,600
5. Step 5: Solve for x
   x = 1,749,376,569,600/607,806
6. Step 6: Final answer
   x = 2,878,182.46