Finding the Third Proportional to 3,907,659 and 5,902,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,659 : 5,902,321.50 = 5,902,321.50 : x
2. Step 2: Convert to fraction form
   3,907,659/5,902,321.50 = 5,902,321.50/x
3. Step 3: Cross multiply
   3,907,659x = 5,902,321.50 × 5,902,321.50
4. Step 4: Simplify right side
   3,907,659x = 34,837,399,089,362.25
5. Step 5: Solve for x
   x = 34,837,399,089,362.25/3,907,659
6. Step 6: Final answer
   x = 8,915,158.43