Finding the Third Proportional to 2,845,580 and 4,340,640

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845,580 : 4,340,640 = 4,340,640 : x
2. Step 2: Convert to fraction form
   2,845,580/4,340,640 = 4,340,640/x
3. Step 3: Cross multiply
   2,845,580x = 4,340,640 × 4,340,640
4. Step 4: Simplify right side
   2,845,580x = 18,841,155,609,600
5. Step 5: Solve for x
   x = 18,841,155,609,600/2,845,580
6. Step 6: Final answer
   x = 6,621,200.46