Finding the Third Proportional to 781,018 and 1,624,243

Step by Step Solution

1. Step 1: Write the proportion equation
   781,018 : 1,624,243 = 1,624,243 : x
2. Step 2: Convert to fraction form
   781,018/1,624,243 = 1,624,243/x
3. Step 3: Cross multiply
   781,018x = 1,624,243 × 1,624,243
4. Step 4: Simplify right side
   781,018x = 2,638,165,323,049
5. Step 5: Solve for x
   x = 2,638,165,323,049/781,018
6. Step 6: Final answer
   x = 3,377,854.70