Finding the Third Proportional to 688,406 and 1,482,276

Step by Step Solution

1. Step 1: Write the proportion equation
   688,406 : 1,482,276 = 1,482,276 : x
2. Step 2: Convert to fraction form
   688,406/1,482,276 = 1,482,276/x
3. Step 3: Cross multiply
   688,406x = 1,482,276 × 1,482,276
4. Step 4: Simplify right side
   688,406x = 2,197,142,140,176
5. Step 5: Solve for x
   x = 2,197,142,140,176/688,406
6. Step 6: Final answer
   x = 3,191,637.12