Finding the Third Proportional to 3,413,208 and 7,312,188

Step by Step Solution

1. Step 1: Write the proportion equation
   3,413,208 : 7,312,188 = 7,312,188 : x
2. Step 2: Convert to fraction form
   3,413,208/7,312,188 = 7,312,188/x
3. Step 3: Cross multiply
   3,413,208x = 7,312,188 × 7,312,188
4. Step 4: Simplify right side
   3,413,208x = 53,468,093,347,344
5. Step 5: Solve for x
   x = 53,468,093,347,344/3,413,208
6. Step 6: Final answer
   x = 15,665,055.67