Finding the Third Proportional to 3,188,680 and 4,842,072

Step by Step Solution

1. Step 1: Write the proportion equation
   3,188,680 : 4,842,072 = 4,842,072 : x
2. Step 2: Convert to fraction form
   3,188,680/4,842,072 = 4,842,072/x
3. Step 3: Cross multiply
   3,188,680x = 4,842,072 × 4,842,072
4. Step 4: Simplify right side
   3,188,680x = 23,445,661,253,184
5. Step 5: Solve for x
   x = 23,445,661,253,184/3,188,680
6. Step 6: Final answer
   x = 7,352,779.60