Finding the Third Proportional to 4,200,924 and 8,555,940

Step by Step Solution

1. Step 1: Write the proportion equation
   4,200,924 : 8,555,940 = 8,555,940 : x
2. Step 2: Convert to fraction form
   4,200,924/8,555,940 = 8,555,940/x
3. Step 3: Cross multiply
   4,200,924x = 8,555,940 × 8,555,940
4. Step 4: Simplify right side
   4,200,924x = 73,204,109,283,600
5. Step 5: Solve for x
   x = 73,204,109,283,600/4,200,924
6. Step 6: Final answer
   x = 17,425,716.17