Finding the Third Proportional to 9,570,209 and 21,000,454

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,209 : 21,000,454 = 21,000,454 : x
2. Step 2: Convert to fraction form
   9,570,209/21,000,454 = 21,000,454/x
3. Step 3: Cross multiply
   9,570,209x = 21,000,454 × 21,000,454
4. Step 4: Simplify right side
   9,570,209x = 441,019,068,206,116
5. Step 5: Solve for x
   x = 441,019,068,206,116/9,570,209
6. Step 6: Final answer
   x = 46,082,490.80