Finding the Third Proportional to 1,272,965 and 2,745,221

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,965 : 2,745,221 = 2,745,221 : x
2. Step 2: Convert to fraction form
   1,272,965/2,745,221 = 2,745,221/x
3. Step 3: Cross multiply
   1,272,965x = 2,745,221 × 2,745,221
4. Step 4: Simplify right side
   1,272,965x = 7,536,238,338,841
5. Step 5: Solve for x
   x = 7,536,238,338,841/1,272,965
6. Step 6: Final answer
   x = 5,920,224.31