Finding the Third Proportional to 4,339,870 and 9,506,476

Step by Step Solution

1. Step 1: Write the proportion equation
   4,339,870 : 9,506,476 = 9,506,476 : x
2. Step 2: Convert to fraction form
   4,339,870/9,506,476 = 9,506,476/x
3. Step 3: Cross multiply
   4,339,870x = 9,506,476 × 9,506,476
4. Step 4: Simplify right side
   4,339,870x = 90,373,085,938,576
5. Step 5: Solve for x
   x = 90,373,085,938,576/4,339,870
6. Step 6: Final answer
   x = 20,823,915.45