Finding the Third Proportional to 9,570,172 and 21,000,382

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,172 : 21,000,382 = 21,000,382 : x
2. Step 2: Convert to fraction form
   9,570,172/21,000,382 = 21,000,382/x
3. Step 3: Cross multiply
   9,570,172x = 21,000,382 × 21,000,382
4. Step 4: Simplify right side
   9,570,172x = 441,016,044,145,924
5. Step 5: Solve for x
   x = 441,016,044,145,924/9,570,172
6. Step 6: Final answer
   x = 46,082,352.98