Finding the Third Proportional to 1,379,276 and 2,152,758

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,276 : 2,152,758 = 2,152,758 : x
2. Step 2: Convert to fraction form
   1,379,276/2,152,758 = 2,152,758/x
3. Step 3: Cross multiply
   1,379,276x = 2,152,758 × 2,152,758
4. Step 4: Simplify right side
   1,379,276x = 4,634,367,006,564
5. Step 5: Solve for x
   x = 4,634,367,006,564/1,379,276
6. Step 6: Final answer
   x = 3,359,999.74