Finding the Third Proportional to 780,164 and 1,165,142

Step by Step Solution

1. Step 1: Write the proportion equation
   780,164 : 1,165,142 = 1,165,142 : x
2. Step 2: Convert to fraction form
   780,164/1,165,142 = 1,165,142/x
3. Step 3: Cross multiply
   780,164x = 1,165,142 × 1,165,142
4. Step 4: Simplify right side
   780,164x = 1,357,555,880,164
5. Step 5: Solve for x
   x = 1,357,555,880,164/780,164
6. Step 6: Final answer
   x = 1,740,090.39