Finding the Third Proportional to 12,788,817 and 26,759,970

Step by Step Solution

1. Step 1: Write the proportion equation
   12,788,817 : 26,759,970 = 26,759,970 : x
2. Step 2: Convert to fraction form
   12,788,817/26,759,970 = 26,759,970/x
3. Step 3: Cross multiply
   12,788,817x = 26,759,970 × 26,759,970
4. Step 4: Simplify right side
   12,788,817x = 716,095,994,400,900
5. Step 5: Solve for x
   x = 716,095,994,400,900/12,788,817
6. Step 6: Final answer
   x = 55,993,919.88