Finding the Third Proportional to 2,108,889 and 4,367,316

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108,889 : 4,367,316 = 4,367,316 : x
2. Step 2: Convert to fraction form
   2,108,889/4,367,316 = 4,367,316/x
3. Step 3: Cross multiply
   2,108,889x = 4,367,316 × 4,367,316
4. Step 4: Simplify right side
   2,108,889x = 19,073,449,043,856
5. Step 5: Solve for x
   x = 19,073,449,043,856/2,108,889
6. Step 6: Final answer
   x = 9,044,311.50