Finding the Third Proportional to 521,622 and 1,112,139

Step by Step Solution

1. Step 1: Write the proportion equation
   521,622 : 1,112,139 = 1,112,139 : x
2. Step 2: Convert to fraction form
   521,622/1,112,139 = 1,112,139/x
3. Step 3: Cross multiply
   521,622x = 1,112,139 × 1,112,139
4. Step 4: Simplify right side
   521,622x = 1,236,853,155,321
5. Step 5: Solve for x
   x = 1,236,853,155,321/521,622
6. Step 6: Final answer
   x = 2,371,167.54