Finding the Third Proportional to 1,289,232 and 2,732,139

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,232 : 2,732,139 = 2,732,139 : x
2. Step 2: Convert to fraction form
   1,289,232/2,732,139 = 2,732,139/x
3. Step 3: Cross multiply
   1,289,232x = 2,732,139 × 2,732,139
4. Step 4: Simplify right side
   1,289,232x = 7,464,583,515,321
5. Step 5: Solve for x
   x = 7,464,583,515,321/1,289,232
6. Step 6: Final answer
   x = 5,789,945.89