Finding the Third Proportional to 1,763,412 and 2,638,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763,412 : 2,638,272 = 2,638,272 : x
2. Step 2: Convert to fraction form
   1,763,412/2,638,272 = 2,638,272/x
3. Step 3: Cross multiply
   1,763,412x = 2,638,272 × 2,638,272
4. Step 4: Simplify right side
   1,763,412x = 6,960,479,145,984
5. Step 5: Solve for x
   x = 6,960,479,145,984/1,763,412
6. Step 6: Final answer
   x = 3,947,165.58