Finding the Third Proportional to 521,631 and 1,099,303.50

Step by Step Solution

1. Step 1: Write the proportion equation
   521,631 : 1,099,303.50 = 1,099,303.50 : x
2. Step 2: Convert to fraction form
   521,631/1,099,303.50 = 1,099,303.50/x
3. Step 3: Cross multiply
   521,631x = 1,099,303.50 × 1,099,303.50
4. Step 4: Simplify right side
   521,631x = 1,208,468,185,112.25
5. Step 5: Solve for x
   x = 1,208,468,185,112.25/521,631
6. Step 6: Final answer
   x = 2,316,710.83