Finding the Third Proportional to 776,548 and 1,139,009

Step by Step Solution

1. Step 1: Write the proportion equation
   776,548 : 1,139,009 = 1,139,009 : x
2. Step 2: Convert to fraction form
   776,548/1,139,009 = 1,139,009/x
3. Step 3: Cross multiply
   776,548x = 1,139,009 × 1,139,009
4. Step 4: Simplify right side
   776,548x = 1,297,341,502,081
5. Step 5: Solve for x
   x = 1,297,341,502,081/776,548
6. Step 6: Final answer
   x = 1,670,652.04