Finding the Third Proportional to 377,008 and 780,260

Step by Step Solution

1. Step 1: Write the proportion equation
   377,008 : 780,260 = 780,260 : x
2. Step 2: Convert to fraction form
   377,008/780,260 = 780,260/x
3. Step 3: Cross multiply
   377,008x = 780,260 × 780,260
4. Step 4: Simplify right side
   377,008x = 608,805,667,600
5. Step 5: Solve for x
   x = 608,805,667,600/377,008
6. Step 6: Final answer
   x = 1,614,834.88