Finding the Third Proportional to 1,289,657 and 2,732,931

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,657 : 2,732,931 = 2,732,931 : x
2. Step 2: Convert to fraction form
   1,289,657/2,732,931 = 2,732,931/x
3. Step 3: Cross multiply
   1,289,657x = 2,732,931 × 2,732,931
4. Step 4: Simplify right side
   1,289,657x = 7,468,911,850,761
5. Step 5: Solve for x
   x = 7,468,911,850,761/1,289,657
6. Step 6: Final answer
   x = 5,791,394.03