Finding the Third Proportional to 3,123,748 and 4,718,902

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123,748 : 4,718,902 = 4,718,902 : x
2. Step 2: Convert to fraction form
   3,123,748/4,718,902 = 4,718,902/x
3. Step 3: Cross multiply
   3,123,748x = 4,718,902 × 4,718,902
4. Step 4: Simplify right side
   3,123,748x = 22,268,036,085,604
5. Step 5: Solve for x
   x = 22,268,036,085,604/3,123,748
6. Step 6: Final answer
   x = 7,128,627.56