Finding the Third Proportional to 1,587,807 and 3,438,063

Step by Step Solution

1. Step 1: Write the proportion equation
   1,587,807 : 3,438,063 = 3,438,063 : x
2. Step 2: Convert to fraction form
   1,587,807/3,438,063 = 3,438,063/x
3. Step 3: Cross multiply
   1,587,807x = 3,438,063 × 3,438,063
4. Step 4: Simplify right side
   1,587,807x = 11,820,277,191,969
5. Step 5: Solve for x
   x = 11,820,277,191,969/1,587,807
6. Step 6: Final answer
   x = 7,444,404.26