Finding the Third Proportional to 3,158,912 and 4,619,904

Step by Step Solution

1. Step 1: Write the proportion equation
   3,158,912 : 4,619,904 = 4,619,904 : x
2. Step 2: Convert to fraction form
   3,158,912/4,619,904 = 4,619,904/x
3. Step 3: Cross multiply
   3,158,912x = 4,619,904 × 4,619,904
4. Step 4: Simplify right side
   3,158,912x = 21,343,512,969,216
5. Step 5: Solve for x
   x = 21,343,512,969,216/3,158,912
6. Step 6: Final answer
   x = 6,756,602.58