Finding the Third Proportional to 1,749,386 and 3,638,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749,386 : 3,638,432 = 3,638,432 : x
2. Step 2: Convert to fraction form
   1,749,386/3,638,432 = 3,638,432/x
3. Step 3: Cross multiply
   1,749,386x = 3,638,432 × 3,638,432
4. Step 4: Simplify right side
   1,749,386x = 13,238,187,418,624
5. Step 5: Solve for x
   x = 13,238,187,418,624/1,749,386
6. Step 6: Final answer
   x = 7,567,333.58