Finding the Third Proportional to 4,061,290 and 5,390,987

Step by Step Solution

1. Step 1: Write the proportion equation
   4,061,290 : 5,390,987 = 5,390,987 : x
2. Step 2: Convert to fraction form
   4,061,290/5,390,987 = 5,390,987/x
3. Step 3: Cross multiply
   4,061,290x = 5,390,987 × 5,390,987
4. Step 4: Simplify right side
   4,061,290x = 29,062,740,834,169
5. Step 5: Solve for x
   x = 29,062,740,834,169/4,061,290
6. Step 6: Final answer
   x = 7,156,036.83