Finding the Third Proportional to 9,570,216 and 21,000,468

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,216 : 21,000,468 = 21,000,468 : x
2. Step 2: Convert to fraction form
   9,570,216/21,000,468 = 21,000,468/x
3. Step 3: Cross multiply
   9,570,216x = 21,000,468 × 21,000,468
4. Step 4: Simplify right side
   9,570,216x = 441,019,656,219,024
5. Step 5: Solve for x
   x = 441,019,656,219,024/9,570,216
6. Step 6: Final answer
   x = 46,082,518.54