Finding the Third Proportional to 2,691,320 and 4,485,300

Step by Step Solution

1. Step 1: Write the proportion equation
   2,691,320 : 4,485,300 = 4,485,300 : x
2. Step 2: Convert to fraction form
   2,691,320/4,485,300 = 4,485,300/x
3. Step 3: Cross multiply
   2,691,320x = 4,485,300 × 4,485,300
4. Step 4: Simplify right side
   2,691,320x = 20,117,916,090,000
5. Step 5: Solve for x
   x = 20,117,916,090,000/2,691,320
6. Step 6: Final answer
   x = 7,475,111.13