Finding the Third Proportional to 641,108 and 1,371,156

Step by Step Solution

1. Step 1: Write the proportion equation
   641,108 : 1,371,156 = 1,371,156 : x
2. Step 2: Convert to fraction form
   641,108/1,371,156 = 1,371,156/x
3. Step 3: Cross multiply
   641,108x = 1,371,156 × 1,371,156
4. Step 4: Simplify right side
   641,108x = 1,880,068,776,336
5. Step 5: Solve for x
   x = 1,880,068,776,336/641,108
6. Step 6: Final answer
   x = 2,932,530.52