Finding the Third Proportional to 1,254,280 and 2,758,272

Step by Step Solution

1. Step 1: Write the proportion equation
   1,254,280 : 2,758,272 = 2,758,272 : x
2. Step 2: Convert to fraction form
   1,254,280/2,758,272 = 2,758,272/x
3. Step 3: Cross multiply
   1,254,280x = 2,758,272 × 2,758,272
4. Step 4: Simplify right side
   1,254,280x = 7,608,064,425,984
5. Step 5: Solve for x
   x = 7,608,064,425,984/1,254,280
6. Step 6: Final answer
   x = 6,065,682.64