Finding the Third Proportional to 378,777 and 876,967.50

Step by Step Solution

1. Step 1: Write the proportion equation
   378,777 : 876,967.50 = 876,967.50 : x
2. Step 2: Convert to fraction form
   378,777/876,967.50 = 876,967.50/x
3. Step 3: Cross multiply
   378,777x = 876,967.50 × 876,967.50
4. Step 4: Simplify right side
   378,777x = 769,071,996,056.25
5. Step 5: Solve for x
   x = 769,071,996,056.25/378,777
6. Step 6: Final answer
   x = 2,030,408.38