Finding the Third Proportional to 1,200,930 and 2,638,053

Step by Step Solution

1. Step 1: Write the proportion equation
   1,200,930 : 2,638,053 = 2,638,053 : x
2. Step 2: Convert to fraction form
   1,200,930/2,638,053 = 2,638,053/x
3. Step 3: Cross multiply
   1,200,930x = 2,638,053 × 2,638,053
4. Step 4: Simplify right side
   1,200,930x = 6,959,323,630,809
5. Step 5: Solve for x
   x = 6,959,323,630,809/1,200,930
6. Step 6: Final answer
   x = 5,794,945.28