Finding the Third Proportional to 1,298,598 and 1,997,145

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298,598 : 1,997,145 = 1,997,145 : x
2. Step 2: Convert to fraction form
   1,298,598/1,997,145 = 1,997,145/x
3. Step 3: Cross multiply
   1,298,598x = 1,997,145 × 1,997,145
4. Step 4: Simplify right side
   1,298,598x = 3,988,588,151,025
5. Step 5: Solve for x
   x = 3,988,588,151,025/1,298,598
6. Step 6: Final answer
   x = 3,071,457.18