Finding the Third Proportional to 1,749,528 and 3,638,685

Step by Step Solution

1. Step 1: Write the proportion equation
   1,749,528 : 3,638,685 = 3,638,685 : x
2. Step 2: Convert to fraction form
   1,749,528/3,638,685 = 3,638,685/x
3. Step 3: Cross multiply
   1,749,528x = 3,638,685 × 3,638,685
4. Step 4: Simplify right side
   1,749,528x = 13,240,028,529,225
5. Step 5: Solve for x
   x = 13,240,028,529,225/1,749,528
6. Step 6: Final answer
   x = 7,567,771.72