Finding the Third Proportional to 1,663,422 and 2,506,959

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,422 : 2,506,959 = 2,506,959 : x
2. Step 2: Convert to fraction form
   1,663,422/2,506,959 = 2,506,959/x
3. Step 3: Cross multiply
   1,663,422x = 2,506,959 × 2,506,959
4. Step 4: Simplify right side
   1,663,422x = 6,284,843,427,681
5. Step 5: Solve for x
   x = 6,284,843,427,681/1,663,422
6. Step 6: Final answer
   x = 3,778,261.58