Finding the Third Proportional to 1,077,201 and 1,638,185

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077,201 : 1,638,185 = 1,638,185 : x
2. Step 2: Convert to fraction form
   1,077,201/1,638,185 = 1,638,185/x
3. Step 3: Cross multiply
   1,077,201x = 1,638,185 × 1,638,185
4. Step 4: Simplify right side
   1,077,201x = 2,683,650,094,225
5. Step 5: Solve for x
   x = 2,683,650,094,225/1,077,201
6. Step 6: Final answer
   x = 2,491,317.86