Finding the Third Proportional to 3,188,688 and 4,842,078

Step by Step Solution

1. Step 1: Write the proportion equation
   3,188,688 : 4,842,078 = 4,842,078 : x
2. Step 2: Convert to fraction form
   3,188,688/4,842,078 = 4,842,078/x
3. Step 3: Cross multiply
   3,188,688x = 4,842,078 × 4,842,078
4. Step 4: Simplify right side
   3,188,688x = 23,445,719,358,084
5. Step 5: Solve for x
   x = 23,445,719,358,084/3,188,688
6. Step 6: Final answer
   x = 7,352,779.37