Finding the Third Proportional to 5,785,311 and 12,339,486

Step by Step Solution

1. Step 1: Write the proportion equation
   5,785,311 : 12,339,486 = 12,339,486 : x
2. Step 2: Convert to fraction form
   5,785,311/12,339,486 = 12,339,486/x
3. Step 3: Cross multiply
   5,785,311x = 12,339,486 × 12,339,486
4. Step 4: Simplify right side
   5,785,311x = 152,262,914,744,196
5. Step 5: Solve for x
   x = 152,262,914,744,196/5,785,311
6. Step 6: Final answer
   x = 26,318,881.52