Finding the Third Proportional to 1,375,561.69 and 3,236,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375,561.69 : 3,236,638.50 = 3,236,638.50 : x
2. Step 2: Convert to fraction form
   1,375,561.69/3,236,638.50 = 3,236,638.50/x
3. Step 3: Cross multiply
   1,375,561.69x = 3,236,638.50 × 3,236,638.50
4. Step 4: Simplify right side
   1,375,561.69x = 10,475,828,779,682.25
5. Step 5: Solve for x
   x = 10,475,828,779,682.25/1,375,561.69
6. Step 6: Final answer
   x = 7,615,673.56