Finding the Third Proportional to 4,571,264 and 9,830,488

Step by Step Solution

1. Step 1: Write the proportion equation
   4,571,264 : 9,830,488 = 9,830,488 : x
2. Step 2: Convert to fraction form
   4,571,264/9,830,488 = 9,830,488/x
3. Step 3: Cross multiply
   4,571,264x = 9,830,488 × 9,830,488
4. Step 4: Simplify right side
   4,571,264x = 96,638,494,318,144
5. Step 5: Solve for x
   x = 96,638,494,318,144/4,571,264
6. Step 6: Final answer
   x = 21,140,431.69