Finding the Third Proportional to 1,224,432 and 2,648,322

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,432 : 2,648,322 = 2,648,322 : x
2. Step 2: Convert to fraction form
   1,224,432/2,648,322 = 2,648,322/x
3. Step 3: Cross multiply
   1,224,432x = 2,648,322 × 2,648,322
4. Step 4: Simplify right side
   1,224,432x = 7,013,609,415,684
5. Step 5: Solve for x
   x = 7,013,609,415,684/1,224,432
6. Step 6: Final answer
   x = 5,728,051.39