Finding the Third Proportional to 9,575,584 and 20,478,272

Step by Step Solution

1. Step 1: Write the proportion equation
   9,575,584 : 20,478,272 = 20,478,272 : x
2. Step 2: Convert to fraction form
   9,575,584/20,478,272 = 20,478,272/x
3. Step 3: Cross multiply
   9,575,584x = 20,478,272 × 20,478,272
4. Step 4: Simplify right side
   9,575,584x = 419,359,624,105,984
5. Step 5: Solve for x
   x = 419,359,624,105,984/9,575,584
6. Step 6: Final answer
   x = 43,794,678.64