Finding the Third Proportional to 9,570,199 and 21,000,426

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570,199 : 21,000,426 = 21,000,426 : x
2. Step 2: Convert to fraction form
   9,570,199/21,000,426 = 21,000,426/x
3. Step 3: Cross multiply
   9,570,199x = 21,000,426 × 21,000,426
4. Step 4: Simplify right side
   9,570,199x = 441,017,892,181,476
5. Step 5: Solve for x
   x = 441,017,892,181,476/9,570,199
6. Step 6: Final answer
   x = 46,082,416.07