Finding the Third Proportional to 492,963 and 793,657.50

Step by Step Solution

1. Step 1: Write the proportion equation
   492,963 : 793,657.50 = 793,657.50 : x
2. Step 2: Convert to fraction form
   492,963/793,657.50 = 793,657.50/x
3. Step 3: Cross multiply
   492,963x = 793,657.50 × 793,657.50
4. Step 4: Simplify right side
   492,963x = 629,892,227,306.25
5. Step 5: Solve for x
   x = 629,892,227,306.25/492,963
6. Step 6: Final answer
   x = 1,277,767.76