Finding the Third Proportional to 1,202,152 and 2,538,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,152 : 2,538,440 = 2,538,440 : x
2. Step 2: Convert to fraction form
   1,202,152/2,538,440 = 2,538,440/x
3. Step 3: Cross multiply
   1,202,152x = 2,538,440 × 2,538,440
4. Step 4: Simplify right side
   1,202,152x = 6,443,677,633,600
5. Step 5: Solve for x
   x = 6,443,677,633,600/1,202,152
6. Step 6: Final answer
   x = 5,360,118.88