Finding the Third Proportional to 920,036 and 1,980,042

Step by Step Solution

1. Step 1: Write the proportion equation
   920,036 : 1,980,042 = 1,980,042 : x
2. Step 2: Convert to fraction form
   920,036/1,980,042 = 1,980,042/x
3. Step 3: Cross multiply
   920,036x = 1,980,042 × 1,980,042
4. Step 4: Simplify right side
   920,036x = 3,920,566,321,764
5. Step 5: Solve for x
   x = 3,920,566,321,764/920,036
6. Step 6: Final answer
   x = 4,261,318.39