Finding the Third Proportional to 9,570,157 and 21,000,352

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,157 : 21,000,352 = 21,000,352 : x
2. Step 2: Convert to fraction form
   9,570,157/21,000,352 = 21,000,352/x
3. Step 3: Cross multiply
   9,570,157x = 21,000,352 × 21,000,352
4. Step 4: Simplify right side
   9,570,157x = 441,014,784,123,904
5. Step 5: Solve for x
   x = 441,014,784,123,904/9,570,157
6. Step 6: Final answer
   x = 46,082,293.54