Finding the Third Proportional to 6,291,128 and 13,759,766

Step by Step Solution

1. Step 1: Write the proportion equation
   6,291,128 : 13,759,766 = 13,759,766 : x
2. Step 2: Convert to fraction form
   6,291,128/13,759,766 = 13,759,766/x
3. Step 3: Cross multiply
   6,291,128x = 13,759,766 × 13,759,766
4. Step 4: Simplify right side
   6,291,128x = 189,331,160,374,756
5. Step 5: Solve for x
   x = 189,331,160,374,756/6,291,128
6. Step 6: Final answer
   x = 30,094,946.47