Finding the Third Proportional to 673,788.50 and 1,009,645

Step by Step Solution

1. Step 1: Write the proportion equation
   673,788.50 : 1,009,645 = 1,009,645 : x
2. Step 2: Convert to fraction form
   673,788.50/1,009,645 = 1,009,645/x
3. Step 3: Cross multiply
   673,788.50x = 1,009,645 × 1,009,645
4. Step 4: Simplify right side
   673,788.50x = 1,019,383,026,025
5. Step 5: Solve for x
   x = 1,019,383,026,025/673,788.50
6. Step 6: Final answer
   x = 1,512,912.47