Finding the Third Proportional to 921,688.50 and 2,004,945

Step by Step Solution

1. Step 1: Write the proportion equation
   921,688.50 : 2,004,945 = 2,004,945 : x
2. Step 2: Convert to fraction form
   921,688.50/2,004,945 = 2,004,945/x
3. Step 3: Cross multiply
   921,688.50x = 2,004,945 × 2,004,945
4. Step 4: Simplify right side
   921,688.50x = 4,019,804,453,025
5. Step 5: Solve for x
   x = 4,019,804,453,025/921,688.50
6. Step 6: Final answer
   x = 4,361,348.17