Finding the Third Proportional to 9,570,174 and 21,000,386

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,174 : 21,000,386 = 21,000,386 : x
2. Step 2: Convert to fraction form
   9,570,174/21,000,386 = 21,000,386/x
3. Step 3: Cross multiply
   9,570,174x = 21,000,386 × 21,000,386
4. Step 4: Simplify right side
   9,570,174x = 441,016,212,148,996
5. Step 5: Solve for x
   x = 441,016,212,148,996/9,570,174
6. Step 6: Final answer
   x = 46,082,360.90