Finding the Third Proportional to 772,688 and 1,181,997

Step by Step Solution

1. Step 1: Write the proportion equation
   772,688 : 1,181,997 = 1,181,997 : x
2. Step 2: Convert to fraction form
   772,688/1,181,997 = 1,181,997/x
3. Step 3: Cross multiply
   772,688x = 1,181,997 × 1,181,997
4. Step 4: Simplify right side
   772,688x = 1,397,116,908,009
5. Step 5: Solve for x
   x = 1,397,116,908,009/772,688
6. Step 6: Final answer
   x = 1,808,125.54