Finding the Third Proportional to 1,058,085 and 1,638,882

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058,085 : 1,638,882 = 1,638,882 : x
2. Step 2: Convert to fraction form
   1,058,085/1,638,882 = 1,638,882/x
3. Step 3: Cross multiply
   1,058,085x = 1,638,882 × 1,638,882
4. Step 4: Simplify right side
   1,058,085x = 2,685,934,209,924
5. Step 5: Solve for x
   x = 2,685,934,209,924/1,058,085
6. Step 6: Final answer
   x = 2,538,486.24