Finding the Third Proportional to 12,584,384 and 19,432,917

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584,384 : 19,432,917 = 19,432,917 : x
2. Step 2: Convert to fraction form
   12,584,384/19,432,917 = 19,432,917/x
3. Step 3: Cross multiply
   12,584,384x = 19,432,917 × 19,432,917
4. Step 4: Simplify right side
   12,584,384x = 377,638,263,128,889
5. Step 5: Solve for x
   x = 377,638,263,128,889/12,584,384
6. Step 6: Final answer
   x = 30,008,482.19