Finding the Third Proportional to 6,291,138 and 13,759,786

Step by Step Solution

1. Step 1: Write the proportion equation
   6,291,138 : 13,759,786 = 13,759,786 : x
2. Step 2: Convert to fraction form
   6,291,138/13,759,786 = 13,759,786/x
3. Step 3: Cross multiply
   6,291,138x = 13,759,786 × 13,759,786
4. Step 4: Simplify right side
   6,291,138x = 189,331,710,765,796
5. Step 5: Solve for x
   x = 189,331,710,765,796/6,291,138
6. Step 6: Final answer
   x = 30,094,986.12