Finding the Third Proportional to 1,658,564 and 2,540,262

Step by Step Solution

1. Step 1: Write the proportion equation
   1,658,564 : 2,540,262 = 2,540,262 : x
2. Step 2: Convert to fraction form
   1,658,564/2,540,262 = 2,540,262/x
3. Step 3: Cross multiply
   1,658,564x = 2,540,262 × 2,540,262
4. Step 4: Simplify right side
   1,658,564x = 6,452,931,028,644
5. Step 5: Solve for x
   x = 6,452,931,028,644/1,658,564
6. Step 6: Final answer
   x = 3,890,673.52