Finding the Third Proportional to 3,907,657 and 5,902,317

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,657 : 5,902,317 = 5,902,317 : x
2. Step 2: Convert to fraction form
   3,907,657/5,902,317 = 5,902,317/x
3. Step 3: Cross multiply
   3,907,657x = 5,902,317 × 5,902,317
4. Step 4: Simplify right side
   3,907,657x = 34,837,345,968,489
5. Step 5: Solve for x
   x = 34,837,345,968,489/3,907,657
6. Step 6: Final answer
   x = 8,915,149.40