Finding the Third Proportional to 4,124,938 and 8,881,780

Step by Step Solution

1. Step 1: Write the proportion equation
   4,124,938 : 8,881,780 = 8,881,780 : x
2. Step 2: Convert to fraction form
   4,124,938/8,881,780 = 8,881,780/x
3. Step 3: Cross multiply
   4,124,938x = 8,881,780 × 8,881,780
4. Step 4: Simplify right side
   4,124,938x = 78,886,015,968,400
5. Step 5: Solve for x
   x = 78,886,015,968,400/4,124,938
6. Step 6: Final answer
   x = 19,124,170.10