Finding the Third Proportional to 747,780 and 1,630,912

Step by Step Solution

1. Step 1: Write the proportion equation
   747,780 : 1,630,912 = 1,630,912 : x
2. Step 2: Convert to fraction form
   747,780/1,630,912 = 1,630,912/x
3. Step 3: Cross multiply
   747,780x = 1,630,912 × 1,630,912
4. Step 4: Simplify right side
   747,780x = 2,659,873,951,744
5. Step 5: Solve for x
   x = 2,659,873,951,744/747,780
6. Step 6: Final answer
   x = 3,557,027.40