Finding the Third Proportional to 4,571,270 and 9,830,500

Step by Step Solution

1. Step 1: Write the proportion equation
   4,571,270 : 9,830,500 = 9,830,500 : x
2. Step 2: Convert to fraction form
   4,571,270/9,830,500 = 9,830,500/x
3. Step 3: Cross multiply
   4,571,270x = 9,830,500 × 9,830,500
4. Step 4: Simplify right side
   4,571,270x = 96,638,730,250,000
5. Step 5: Solve for x
   x = 96,638,730,250,000/4,571,270
6. Step 6: Final answer
   x = 21,140,455.55