Finding the Third Proportional to 3,151,386 and 4,888,947

Step by Step Solution

1. Step 1: Write the proportion equation
   3,151,386 : 4,888,947 = 4,888,947 : x
2. Step 2: Convert to fraction form
   3,151,386/4,888,947 = 4,888,947/x
3. Step 3: Cross multiply
   3,151,386x = 4,888,947 × 4,888,947
4. Step 4: Simplify right side
   3,151,386x = 23,901,802,768,809
5. Step 5: Solve for x
   x = 23,901,802,768,809/3,151,386
6. Step 6: Final answer
   x = 7,584,536.70