Finding the Third Proportional to 1,358,156 and 2,878,210

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358,156 : 2,878,210 = 2,878,210 : x
2. Step 2: Convert to fraction form
   1,358,156/2,878,210 = 2,878,210/x
3. Step 3: Cross multiply
   1,358,156x = 2,878,210 × 2,878,210
4. Step 4: Simplify right side
   1,358,156x = 8,284,092,804,100
5. Step 5: Solve for x
   x = 8,284,092,804,100/1,358,156
6. Step 6: Final answer
   x = 6,099,514.93