Finding the Third Proportional to 3,981,473 and 8,708,077

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981,473 : 8,708,077 = 8,708,077 : x
2. Step 2: Convert to fraction form
   3,981,473/8,708,077 = 8,708,077/x
3. Step 3: Cross multiply
   3,981,473x = 8,708,077 × 8,708,077
4. Step 4: Simplify right side
   3,981,473x = 75,830,605,037,929
5. Step 5: Solve for x
   x = 75,830,605,037,929/3,981,473
6. Step 6: Final answer
   x = 19,045,866.95