Finding the Third Proportional to 1,202,148 and 2,538,432

Step by Step Solution

1. Step 1: Write the proportion equation
   1,202,148 : 2,538,432 = 2,538,432 : x
2. Step 2: Convert to fraction form
   1,202,148/2,538,432 = 2,538,432/x
3. Step 3: Cross multiply
   1,202,148x = 2,538,432 × 2,538,432
4. Step 4: Simplify right side
   1,202,148x = 6,443,637,018,624
5. Step 5: Solve for x
   x = 6,443,637,018,624/1,202,148
6. Step 6: Final answer
   x = 5,360,102.93