Finding the Third Proportional to 2,146,230 and 4,548,258

Step by Step Solution

1. Step 1: Write the proportion equation
   2,146,230 : 4,548,258 = 4,548,258 : x
2. Step 2: Convert to fraction form
   2,146,230/4,548,258 = 4,548,258/x
3. Step 3: Cross multiply
   2,146,230x = 4,548,258 × 4,548,258
4. Step 4: Simplify right side
   2,146,230x = 20,686,650,834,564
5. Step 5: Solve for x
   x = 20,686,650,834,564/2,146,230
6. Step 6: Final answer
   x = 9,638,599.23