Finding the Third Proportional to 9,762,578 and 20,333,197

Step by Step Solution

1. Step 1: Write the proportion equation
   9,762,578 : 20,333,197 = 20,333,197 : x
2. Step 2: Convert to fraction form
   9,762,578/20,333,197 = 20,333,197/x
3. Step 3: Cross multiply
   9,762,578x = 20,333,197 × 20,333,197
4. Step 4: Simplify right side
   9,762,578x = 413,438,900,240,809
5. Step 5: Solve for x
   x = 413,438,900,240,809/9,762,578
6. Step 6: Final answer
   x = 42,349,356.93