Finding the Third Proportional to 437,800 and 958,638.50

Step by Step Solution

1. Step 1: Write the proportion equation
   437,800 : 958,638.50 = 958,638.50 : x
2. Step 2: Convert to fraction form
   437,800/958,638.50 = 958,638.50/x
3. Step 3: Cross multiply
   437,800x = 958,638.50 × 958,638.50
4. Step 4: Simplify right side
   437,800x = 918,987,773,682.25
5. Step 5: Solve for x
   x = 918,987,773,682.25/437,800
6. Step 6: Final answer
   x = 2,099,104.10