Finding the Third Proportional to 598,906 and 1,298,900

Step by Step Solution

1. Step 1: Write the proportion equation
   598,906 : 1,298,900 = 1,298,900 : x
2. Step 2: Convert to fraction form
   598,906/1,298,900 = 1,298,900/x
3. Step 3: Cross multiply
   598,906x = 1,298,900 × 1,298,900
4. Step 4: Simplify right side
   598,906x = 1,687,141,210,000
5. Step 5: Solve for x
   x = 1,687,141,210,000/598,906
6. Step 6: Final answer
   x = 2,817,038.42