Finding the Third Proportional to 4,530,253 and 9,955,718

Step by Step Solution

1. Step 1: Write the proportion equation
   4,530,253 : 9,955,718 = 9,955,718 : x
2. Step 2: Convert to fraction form
   4,530,253/9,955,718 = 9,955,718/x
3. Step 3: Cross multiply
   4,530,253x = 9,955,718 × 9,955,718
4. Step 4: Simplify right side
   4,530,253x = 99,116,320,895,524
5. Step 5: Solve for x
   x = 99,116,320,895,524/4,530,253
6. Step 6: Final answer
   x = 21,878,760.61