Finding the Third Proportional to 6,221,410 and 12,939,450

Step by Step Solution

1. Step 1: Write the proportion equation
   6,221,410 : 12,939,450 = 12,939,450 : x
2. Step 2: Convert to fraction form
   6,221,410/12,939,450 = 12,939,450/x
3. Step 3: Cross multiply
   6,221,410x = 12,939,450 × 12,939,450
4. Step 4: Simplify right side
   6,221,410x = 167,429,366,302,500
5. Step 5: Solve for x
   x = 167,429,366,302,500/6,221,410
6. Step 6: Final answer
   x = 26,911,803.96