Finding the Third Proportional to 9,432,336 and 20,209,434

Step by Step Solution

1. Step 1: Write the proportion equation
   9,432,336 : 20,209,434 = 20,209,434 : x
2. Step 2: Convert to fraction form
   9,432,336/20,209,434 = 20,209,434/x
3. Step 3: Cross multiply
   9,432,336x = 20,209,434 × 20,209,434
4. Step 4: Simplify right side
   9,432,336x = 408,421,222,600,356
5. Step 5: Solve for x
   x = 408,421,222,600,356/9,432,336
6. Step 6: Final answer
   x = 43,300,113.84