Finding the Third Proportional to 574,722.50 and 1,256,453

Step by Step Solution

1. Step 1: Write the proportion equation
   574,722.50 : 1,256,453 = 1,256,453 : x
2. Step 2: Convert to fraction form
   574,722.50/1,256,453 = 1,256,453/x
3. Step 3: Cross multiply
   574,722.50x = 1,256,453 × 1,256,453
4. Step 4: Simplify right side
   574,722.50x = 1,578,674,141,209
5. Step 5: Solve for x
   x = 1,578,674,141,209/574,722.50
6. Step 6: Final answer
   x = 2,746,845.90