Finding the Third Proportional to 758,644 and 1,139,982

Step by Step Solution

1. Step 1: Write the proportion equation
   758,644 : 1,139,982 = 1,139,982 : x
2. Step 2: Convert to fraction form
   758,644/1,139,982 = 1,139,982/x
3. Step 3: Cross multiply
   758,644x = 1,139,982 × 1,139,982
4. Step 4: Simplify right side
   758,644x = 1,299,558,960,324
5. Step 5: Solve for x
   x = 1,299,558,960,324/758,644
6. Step 6: Final answer
   x = 1,713,002.36