Finding the Third Proportional to 772,128 and 1,181,154

Step by Step Solution

1. Step 1: Write the proportion equation
   772,128 : 1,181,154 = 1,181,154 : x
2. Step 2: Convert to fraction form
   772,128/1,181,154 = 1,181,154/x
3. Step 3: Cross multiply
   772,128x = 1,181,154 × 1,181,154
4. Step 4: Simplify right side
   772,128x = 1,395,124,771,716
5. Step 5: Solve for x
   x = 1,395,124,771,716/772,128
6. Step 6: Final answer
   x = 1,806,856.86