Finding the Third Proportional to 663,248.50 and 1,421,133

Step by Step Solution

1. Step 1: Write the proportion equation
   663,248.50 : 1,421,133 = 1,421,133 : x
2. Step 2: Convert to fraction form
   663,248.50/1,421,133 = 1,421,133/x
3. Step 3: Cross multiply
   663,248.50x = 1,421,133 × 1,421,133
4. Step 4: Simplify right side
   663,248.50x = 2,019,619,003,689
5. Step 5: Solve for x
   x = 2,019,619,003,689/663,248.50
6. Step 6: Final answer
   x = 3,045,041.19