Finding the Third Proportional to 4,545,075 and 9,945,348

Step by Step Solution

1. Step 1: Write the proportion equation
   4,545,075 : 9,945,348 = 9,945,348 : x
2. Step 2: Convert to fraction form
   4,545,075/9,945,348 = 9,945,348/x
3. Step 3: Cross multiply
   4,545,075x = 9,945,348 × 9,945,348
4. Step 4: Simplify right side
   4,545,075x = 98,909,946,841,104
5. Step 5: Solve for x
   x = 98,909,946,841,104/4,545,075
6. Step 6: Final answer
   x = 21,762,005.43