Finding the Third Proportional to 4,037,458 and 8,859,620

Step by Step Solution

1. Step 1: Write the proportion equation
   4,037,458 : 8,859,620 = 8,859,620 : x
2. Step 2: Convert to fraction form
   4,037,458/8,859,620 = 8,859,620/x
3. Step 3: Cross multiply
   4,037,458x = 8,859,620 × 8,859,620
4. Step 4: Simplify right side
   4,037,458x = 78,492,866,544,400
5. Step 5: Solve for x
   x = 78,492,866,544,400/4,037,458
6. Step 6: Final answer
   x = 19,441,159.89