Finding the Third Proportional to 4,112,523 and 8,911,440

Step by Step Solution

1. Step 1: Write the proportion equation
   4,112,523 : 8,911,440 = 8,911,440 : x
2. Step 2: Convert to fraction form
   4,112,523/8,911,440 = 8,911,440/x
3. Step 3: Cross multiply
   4,112,523x = 8,911,440 × 8,911,440
4. Step 4: Simplify right side
   4,112,523x = 79,413,762,873,600
5. Step 5: Solve for x
   x = 79,413,762,873,600/4,112,523
6. Step 6: Final answer
   x = 19,310,229.48