Finding the Third Proportional to 602,424 and 1,298,156

Step by Step Solution

1. Step 1: Write the proportion equation
   602,424 : 1,298,156 = 1,298,156 : x
2. Step 2: Convert to fraction form
   602,424/1,298,156 = 1,298,156/x
3. Step 3: Cross multiply
   602,424x = 1,298,156 × 1,298,156
4. Step 4: Simplify right side
   602,424x = 1,685,209,000,336
5. Step 5: Solve for x
   x = 1,685,209,000,336/602,424
6. Step 6: Final answer
   x = 2,797,380.25