Finding the Third Proportional to 2,520,835 and 5,531,485

Step by Step Solution

1. Step 1: Write the proportion equation
   2,520,835 : 5,531,485 = 5,531,485 : x
2. Step 2: Convert to fraction form
   2,520,835/5,531,485 = 5,531,485/x
3. Step 3: Cross multiply
   2,520,835x = 5,531,485 × 5,531,485
4. Step 4: Simplify right side
   2,520,835x = 30,597,326,305,225
5. Step 5: Solve for x
   x = 30,597,326,305,225/2,520,835
6. Step 6: Final answer
   x = 12,137,774.31