Finding the Third Proportional to 772,680 and 1,181,986.50

Step by Step Solution

1. Step 1: Write the proportion equation
   772,680 : 1,181,986.50 = 1,181,986.50 : x
2. Step 2: Convert to fraction form
   772,680/1,181,986.50 = 1,181,986.50/x
3. Step 3: Cross multiply
   772,680x = 1,181,986.50 × 1,181,986.50
4. Step 4: Simplify right side
   772,680x = 1,397,092,086,182.25
5. Step 5: Solve for x
   x = 1,397,092,086,182.25/772,680
6. Step 6: Final answer
   x = 1,808,112.14