Finding the Third Proportional to 2,138,026 and 4,610,240

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138,026 : 4,610,240 = 4,610,240 : x
2. Step 2: Convert to fraction form
   2,138,026/4,610,240 = 4,610,240/x
3. Step 3: Cross multiply
   2,138,026x = 4,610,240 × 4,610,240
4. Step 4: Simplify right side
   2,138,026x = 21,254,312,857,600
5. Step 5: Solve for x
   x = 21,254,312,857,600/2,138,026
6. Step 6: Final answer
   x = 9,941,091.86