Finding the Third Proportional to 3,543,916 and 5,314,720

Step by Step Solution

1. Step 1: Write the proportion equation
   3,543,916 : 5,314,720 = 5,314,720 : x
2. Step 2: Convert to fraction form
   3,543,916/5,314,720 = 5,314,720/x
3. Step 3: Cross multiply
   3,543,916x = 5,314,720 × 5,314,720
4. Step 4: Simplify right side
   3,543,916x = 28,246,248,678,400
5. Step 5: Solve for x
   x = 28,246,248,678,400/3,543,916
6. Step 6: Final answer
   x = 7,970,349.38