Finding the Third Proportional to 19,822,038 and 42,680,647

Step by Step Solution

1. Step 1: Write the proportion equation
   19,822,038 : 42,680,647 = 42,680,647 : x
2. Step 2: Convert to fraction form
   19,822,038/42,680,647 = 42,680,647/x
3. Step 3: Cross multiply
   19,822,038x = 42,680,647 × 42,680,647
4. Step 4: Simplify right side
   19,822,038x = 1,821,637,628,338,609
5. Step 5: Solve for x
   x = 1,821,637,628,338,609/19,822,038
6. Step 6: Final answer
   x = 91,899,613.37