Finding the Third Proportional to 641,106 and 996,630.75

Step by Step Solution

1. Step 1: Write the proportion equation
   641,106 : 996,630.75 = 996,630.75 : x
2. Step 2: Convert to fraction form
   641,106/996,630.75 = 996,630.75/x
3. Step 3: Cross multiply
   641,106x = 996,630.75 × 996,630.75
4. Step 4: Simplify right side
   641,106x = 993,272,851,845.56
5. Step 5: Solve for x
   x = 993,272,851,845.56/641,106
6. Step 6: Final answer
   x = 1,549,311.43