Finding the Third Proportional to 7,403,078 and 10,085,421

Step by Step Solution

1. Step 1: Write the proportion equation
   7,403,078 : 10,085,421 = 10,085,421 : x
2. Step 2: Convert to fraction form
   7,403,078/10,085,421 = 10,085,421/x
3. Step 3: Cross multiply
   7,403,078x = 10,085,421 × 10,085,421
4. Step 4: Simplify right side
   7,403,078x = 101,715,716,747,241
5. Step 5: Solve for x
   x = 101,715,716,747,241/7,403,078
6. Step 6: Final answer
   x = 13,739,652.18