Finding the Third Proportional to 890,260 and 1,886,468

Step by Step Solution

1. Step 1: Write the proportion equation
   890,260 : 1,886,468 = 1,886,468 : x
2. Step 2: Convert to fraction form
   890,260/1,886,468 = 1,886,468/x
3. Step 3: Cross multiply
   890,260x = 1,886,468 × 1,886,468
4. Step 4: Simplify right side
   890,260x = 3,558,761,515,024
5. Step 5: Solve for x
   x = 3,558,761,515,024/890,260
6. Step 6: Final answer
   x = 3,997,440.65