Finding the Third Proportional to 17,946,572 and 39,481,768

Step by Step Solution

1. Step 1: Write the proportion equation
   17,946,572 : 39,481,768 = 39,481,768 : x
2. Step 2: Convert to fraction form
   17,946,572/39,481,768 = 39,481,768/x
3. Step 3: Cross multiply
   17,946,572x = 39,481,768 × 39,481,768
4. Step 4: Simplify right side
   17,946,572x = 1,558,810,004,405,824
5. Step 5: Solve for x
   x = 1,558,810,004,405,824/17,946,572
6. Step 6: Final answer
   x = 86,858,370.75