Finding the Third Proportional to 886,680 and 1,921,536

Step by Step Solution

1. Step 1: Write the proportion equation
   886,680 : 1,921,536 = 1,921,536 : x
2. Step 2: Convert to fraction form
   886,680/1,921,536 = 1,921,536/x
3. Step 3: Cross multiply
   886,680x = 1,921,536 × 1,921,536
4. Step 4: Simplify right side
   886,680x = 3,692,300,599,296
5. Step 5: Solve for x
   x = 3,692,300,599,296/886,680
6. Step 6: Final answer
   x = 4,164,186.18