Finding the Third Proportional to 654,834 and 1,410,428

Step by Step Solution

1. Step 1: Write the proportion equation
   654,834 : 1,410,428 = 1,410,428 : x
2. Step 2: Convert to fraction form
   654,834/1,410,428 = 1,410,428/x
3. Step 3: Cross multiply
   654,834x = 1,410,428 × 1,410,428
4. Step 4: Simplify right side
   654,834x = 1,989,307,143,184
5. Step 5: Solve for x
   x = 1,989,307,143,184/654,834
6. Step 6: Final answer
   x = 3,037,880.05