Finding the Third Proportional to 9,228,554 and 19,877,020

Step by Step Solution

1. Step 1: Write the proportion equation
   9,228,554 : 19,877,020 = 19,877,020 : x
2. Step 2: Convert to fraction form
   9,228,554/19,877,020 = 19,877,020/x
3. Step 3: Cross multiply
   9,228,554x = 19,877,020 × 19,877,020
4. Step 4: Simplify right side
   9,228,554x = 395,095,924,080,400
5. Step 5: Solve for x
   x = 395,095,924,080,400/9,228,554
6. Step 6: Final answer
   x = 42,812,332.69