Finding the Third Proportional to 1,964,688 and 4,342,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964,688 : 4,342,308 = 4,342,308 : x
2. Step 2: Convert to fraction form
   1,964,688/4,342,308 = 4,342,308/x
3. Step 3: Cross multiply
   1,964,688x = 4,342,308 × 4,342,308
4. Step 4: Simplify right side
   1,964,688x = 18,855,638,766,864
5. Step 5: Solve for x
   x = 18,855,638,766,864/1,964,688
6. Step 6: Final answer
   x = 9,597,268.76