Finding the Third Proportional to 913,804 and 1,980,152

Step by Step Solution

1. Step 1: Write the proportion equation
   913,804 : 1,980,152 = 1,980,152 : x
2. Step 2: Convert to fraction form
   913,804/1,980,152 = 1,980,152/x
3. Step 3: Cross multiply
   913,804x = 1,980,152 × 1,980,152
4. Step 4: Simplify right side
   913,804x = 3,921,001,943,104
5. Step 5: Solve for x
   x = 3,921,001,943,104/913,804
6. Step 6: Final answer
   x = 4,290,856.62