Finding the Third Proportional to 2,138,020 and 4,610,228

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,020 : 4,610,228 = 4,610,228 : x
2. Step 2: Convert to fraction form
   2,138,020/4,610,228 = 4,610,228/x
3. Step 3: Cross multiply
   2,138,020x = 4,610,228 × 4,610,228
4. Step 4: Simplify right side
   2,138,020x = 21,254,202,211,984
5. Step 5: Solve for x
   x = 21,254,202,211,984/2,138,020
6. Step 6: Final answer
   x = 9,941,068.00