Finding the Third Proportional to 1,210,782 and 2,547,042

Step by Step Solution

1. Step 1: Write the proportion equation
   1,210,782 : 2,547,042 = 2,547,042 : x
2. Step 2: Convert to fraction form
   1,210,782/2,547,042 = 2,547,042/x
3. Step 3: Cross multiply
   1,210,782x = 2,547,042 × 2,547,042
4. Step 4: Simplify right side
   1,210,782x = 6,487,422,949,764
5. Step 5: Solve for x
   x = 6,487,422,949,764/1,210,782
6. Step 6: Final answer
   x = 5,358,043.77