Finding the Third Proportional to 7,085,308 and 9,942,090

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085,308 : 9,942,090 = 9,942,090 : x
2. Step 2: Convert to fraction form
   7,085,308/9,942,090 = 9,942,090/x
3. Step 3: Cross multiply
   7,085,308x = 9,942,090 × 9,942,090
4. Step 4: Simplify right side
   7,085,308x = 98,845,153,568,100
5. Step 5: Solve for x
   x = 98,845,153,568,100/7,085,308
6. Step 6: Final answer
   x = 13,950,720.78