Finding the Third Proportional to 10,422,042.19 and 22,638,196.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,422,042.19 : 22,638,196.69 = 22,638,196.69 : x
2. Step 2: Convert to fraction form
   10,422,042.19/22,638,196.69 = 22,638,196.69/x
3. Step 3: Cross multiply
   10,422,042.19x = 22,638,196.69 × 22,638,196.69
4. Step 4: Simplify right side
   10,422,042.19x = 512,487,949,261,936
5. Step 5: Solve for x
   x = 512,487,949,261,936/10,422,042.19
6. Step 6: Final answer
   x = 49,173,467.16