Finding the Third Proportional to 2,175,460 and 4,781,624

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,460 : 4,781,624 = 4,781,624 : x
2. Step 2: Convert to fraction form
   2,175,460/4,781,624 = 4,781,624/x
3. Step 3: Cross multiply
   2,175,460x = 4,781,624 × 4,781,624
4. Step 4: Simplify right side
   2,175,460x = 22,863,928,077,376
5. Step 5: Solve for x
   x = 22,863,928,077,376/2,175,460
6. Step 6: Final answer
   x = 10,509,928.05