Finding the Third Proportional to 919,279.13 and 1,815,022.69

Step by Step Solution

1. Step 1: Write the proportion equation
   919,279.13 : 1,815,022.69 = 1,815,022.69 : x
2. Step 2: Convert to fraction form
   919,279.13/1,815,022.69 = 1,815,022.69/x
3. Step 3: Cross multiply
   919,279.13x = 1,815,022.69 × 1,815,022.69
4. Step 4: Simplify right side
   919,279.13x = 3,294,307,356,139.72
5. Step 5: Solve for x
   x = 3,294,307,356,139.72/919,279.13
6. Step 6: Final answer
   x = 3,583,576.81