Finding the Third Proportional to 772,272 and 1,181,385

Step by Step Solution

1. Step 1: Write the proportion equation
   772,272 : 1,181,385 = 1,181,385 : x
2. Step 2: Convert to fraction form
   772,272/1,181,385 = 1,181,385/x
3. Step 3: Cross multiply
   772,272x = 1,181,385 × 1,181,385
4. Step 4: Simplify right side
   772,272x = 1,395,670,518,225
5. Step 5: Solve for x
   x = 1,395,670,518,225/772,272
6. Step 6: Final answer
   x = 1,807,226.62