Finding the Third Proportional to 780,000 and 1,687,932

Step by Step Solution

1. Step 1: Write the proportion equation
   780,000 : 1,687,932 = 1,687,932 : x
2. Step 2: Convert to fraction form
   780,000/1,687,932 = 1,687,932/x
3. Step 3: Cross multiply
   780,000x = 1,687,932 × 1,687,932
4. Step 4: Simplify right side
   780,000x = 2,849,114,436,624
5. Step 5: Solve for x
   x = 2,849,114,436,624/780,000
6. Step 6: Final answer
   x = 3,652,710.82