Finding the Third Proportional to 654,386 and 1,384,222

Step by Step Solution

1. Step 1: Write the proportion equation
   654,386 : 1,384,222 = 1,384,222 : x
2. Step 2: Convert to fraction form
   654,386/1,384,222 = 1,384,222/x
3. Step 3: Cross multiply
   654,386x = 1,384,222 × 1,384,222
4. Step 4: Simplify right side
   654,386x = 1,916,070,545,284
5. Step 5: Solve for x
   x = 1,916,070,545,284/654,386
6. Step 6: Final answer
   x = 2,928,043.30