Finding the Third Proportional to 3,870,273 and 5,413,770

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,273 : 5,413,770 = 5,413,770 : x
2. Step 2: Convert to fraction form
   3,870,273/5,413,770 = 5,413,770/x
3. Step 3: Cross multiply
   3,870,273x = 5,413,770 × 5,413,770
4. Step 4: Simplify right side
   3,870,273x = 29,308,905,612,900
5. Step 5: Solve for x
   x = 29,308,905,612,900/3,870,273
6. Step 6: Final answer
   x = 7,572,826.42