Finding the Third Proportional to 1,864,347 and 2,878,942

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864,347 : 2,878,942 = 2,878,942 : x
2. Step 2: Convert to fraction form
   1,864,347/2,878,942 = 2,878,942/x
3. Step 3: Cross multiply
   1,864,347x = 2,878,942 × 2,878,942
4. Step 4: Simplify right side
   1,864,347x = 8,288,307,039,364
5. Step 5: Solve for x
   x = 8,288,307,039,364/1,864,347
6. Step 6: Final answer
   x = 4,445,689.05