Finding the Third Proportional to 9,638,824 and 12,850,332

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638,824 : 12,850,332 = 12,850,332 : x
2. Step 2: Convert to fraction form
   9,638,824/12,850,332 = 12,850,332/x
3. Step 3: Cross multiply
   9,638,824x = 12,850,332 × 12,850,332
4. Step 4: Simplify right side
   9,638,824x = 165,131,032,510,224
5. Step 5: Solve for x
   x = 165,131,032,510,224/9,638,824
6. Step 6: Final answer
   x = 17,131,865.10