Finding the Third Proportional to 9,570,180 and 21,000,398

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,180 : 21,000,398 = 21,000,398 : x
2. Step 2: Convert to fraction form
   9,570,180/21,000,398 = 21,000,398/x
3. Step 3: Cross multiply
   9,570,180x = 21,000,398 × 21,000,398
4. Step 4: Simplify right side
   9,570,180x = 441,016,716,158,404
5. Step 5: Solve for x
   x = 441,016,716,158,404/9,570,180
6. Step 6: Final answer
   x = 46,082,384.67