Finding the Third Proportional to 641,937 and 993,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   641,937 : 993,445.50 = 993,445.50 : x
2. Step 2: Convert to fraction form
   641,937/993,445.50 = 993,445.50/x
3. Step 3: Cross multiply
   641,937x = 993,445.50 × 993,445.50
4. Step 4: Simplify right side
   641,937x = 986,933,961,470.25
5. Step 5: Solve for x
   x = 986,933,961,470.25/641,937
6. Step 6: Final answer
   x = 1,537,431.18