Finding the Third Proportional to 1,272,417 and 2,773,458

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,417 : 2,773,458 = 2,773,458 : x
2. Step 2: Convert to fraction form
   1,272,417/2,773,458 = 2,773,458/x
3. Step 3: Cross multiply
   1,272,417x = 2,773,458 × 2,773,458
4. Step 4: Simplify right side
   1,272,417x = 7,692,069,277,764
5. Step 5: Solve for x
   x = 7,692,069,277,764/1,272,417
6. Step 6: Final answer
   x = 6,045,242.46