Finding the Third Proportional to 1,240,071 and 2,657,289

Step by Step Solution

1. Step 1: Write the proportion equation
   1,240,071 : 2,657,289 = 2,657,289 : x
2. Step 2: Convert to fraction form
   1,240,071/2,657,289 = 2,657,289/x
3. Step 3: Cross multiply
   1,240,071x = 2,657,289 × 2,657,289
4. Step 4: Simplify right side
   1,240,071x = 7,061,184,829,521
5. Step 5: Solve for x
   x = 7,061,184,829,521/1,240,071
6. Step 6: Final answer
   x = 5,694,177.86