Finding the Third Proportional to 8,773,354 and 13,638,468

Step by Step Solution

1. Step 1: Write the proportion equation
   8,773,354 : 13,638,468 = 13,638,468 : x
2. Step 2: Convert to fraction form
   8,773,354/13,638,468 = 13,638,468/x
3. Step 3: Cross multiply
   8,773,354x = 13,638,468 × 13,638,468
4. Step 4: Simplify right side
   8,773,354x = 186,007,809,387,024
5. Step 5: Solve for x
   x = 186,007,809,387,024/8,773,354
6. Step 6: Final answer
   x = 21,201,448.09