Finding the Third Proportional to 1,047,303 and 1,638,347

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047,303 : 1,638,347 = 1,638,347 : x
2. Step 2: Convert to fraction form
   1,047,303/1,638,347 = 1,638,347/x
3. Step 3: Cross multiply
   1,047,303x = 1,638,347 × 1,638,347
4. Step 4: Simplify right side
   1,047,303x = 2,684,180,892,409
5. Step 5: Solve for x
   x = 2,684,180,892,409/1,047,303
6. Step 6: Final answer
   x = 2,562,945.86