Finding the Third Proportional to 4,893,490 and 10,131,068

Step by Step Solution

1. Step 1: Write the proportion equation
   4,893,490 : 10,131,068 = 10,131,068 : x
2. Step 2: Convert to fraction form
   4,893,490/10,131,068 = 10,131,068/x
3. Step 3: Cross multiply
   4,893,490x = 10,131,068 × 10,131,068
4. Step 4: Simplify right side
   4,893,490x = 102,638,538,820,624
5. Step 5: Solve for x
   x = 102,638,538,820,624/4,893,490
6. Step 6: Final answer
   x = 20,974,506.71