Finding the Third Proportional to 4,103,862,535.69 and 8,321,919,868.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,103,862,535.69 : 8,321,919,868.69 = 8,321,919,868.69 : x
2. Step 2: Convert to fraction form
   4,103,862,535.69/8,321,919,868.69 = 8,321,919,868.69/x
3. Step 3: Cross multiply
   4,103,862,535.69x = 8,321,919,868.69 × 8,321,919,868.69
4. Step 4: Simplify right side
   4,103,862,535.69x = 69,254,350,300,855,779,328
5. Step 5: Solve for x
   x = 69,254,350,300,855,779,328/4,103,862,535.69
6. Step 6: Final answer
   x = 16,875,406,936.42