Finding the Third Proportional to 2,175,475 and 4,781,654

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175,475 : 4,781,654 = 4,781,654 : x
2. Step 2: Convert to fraction form
   2,175,475/4,781,654 = 4,781,654/x
3. Step 3: Cross multiply
   2,175,475x = 4,781,654 × 4,781,654
4. Step 4: Simplify right side
   2,175,475x = 22,864,214,975,716
5. Step 5: Solve for x
   x = 22,864,214,975,716/2,175,475
6. Step 6: Final answer
   x = 10,509,987.46