Finding the Third Proportional to 4,549,857 and 9,903,162

Step by Step Solution

1. Step 1: Write the proportion equation
   4,549,857 : 9,903,162 = 9,903,162 : x
2. Step 2: Convert to fraction form
   4,549,857/9,903,162 = 9,903,162/x
3. Step 3: Cross multiply
   4,549,857x = 9,903,162 × 9,903,162
4. Step 4: Simplify right side
   4,549,857x = 98,072,617,598,244
5. Step 5: Solve for x
   x = 98,072,617,598,244/4,549,857
6. Step 6: Final answer
   x = 21,555,098.90