Finding the Third Proportional to 3,149,748 and 4,886,406

Step by Step Solution

1. Step 1: Write the proportion equation
   3,149,748 : 4,886,406 = 4,886,406 : x
2. Step 2: Convert to fraction form
   3,149,748/4,886,406 = 4,886,406/x
3. Step 3: Cross multiply
   3,149,748x = 4,886,406 × 4,886,406
4. Step 4: Simplify right side
   3,149,748x = 23,876,963,596,836
5. Step 5: Solve for x
   x = 23,876,963,596,836/3,149,748
6. Step 6: Final answer
   x = 7,580,594.89