Finding the Third Proportional to 5,991,864 and 12,823,536

Step by Step Solution

1. Step 1: Write the proportion equation
   5,991,864 : 12,823,536 = 12,823,536 : x
2. Step 2: Convert to fraction form
   5,991,864/12,823,536 = 12,823,536/x
3. Step 3: Cross multiply
   5,991,864x = 12,823,536 × 12,823,536
4. Step 4: Simplify right side
   5,991,864x = 164,443,075,543,296
5. Step 5: Solve for x
   x = 164,443,075,543,296/5,991,864
6. Step 6: Final answer
   x = 27,444,393.86