Finding the Third Proportional to 2,020,188 and 4,360,840

Step by Step Solution

1. Step 1: Write the proportion equation
   2,020,188 : 4,360,840 = 4,360,840 : x
2. Step 2: Convert to fraction form
   2,020,188/4,360,840 = 4,360,840/x
3. Step 3: Cross multiply
   2,020,188x = 4,360,840 × 4,360,840
4. Step 4: Simplify right side
   2,020,188x = 19,016,925,505,600
5. Step 5: Solve for x
   x = 19,016,925,505,600/2,020,188
6. Step 6: Final answer
   x = 9,413,443.45