Finding the Third Proportional to 10,087,208 and 20,892,170

Step by Step Solution

1. Step 1: Write the proportion equation
   10,087,208 : 20,892,170 = 20,892,170 : x
2. Step 2: Convert to fraction form
   10,087,208/20,892,170 = 20,892,170/x
3. Step 3: Cross multiply
   10,087,208x = 20,892,170 × 20,892,170
4. Step 4: Simplify right side
   10,087,208x = 436,482,767,308,900
5. Step 5: Solve for x
   x = 436,482,767,308,900/10,087,208
6. Step 6: Final answer
   x = 43,270,919.69