Finding the Third Proportional to 4,124,994 and 8,881,890

Step by Step Solution

1. Step 1: Write the proportion equation
   4,124,994 : 8,881,890 = 8,881,890 : x
2. Step 2: Convert to fraction form
   4,124,994/8,881,890 = 8,881,890/x
3. Step 3: Cross multiply
   4,124,994x = 8,881,890 × 8,881,890
4. Step 4: Simplify right side
   4,124,994x = 78,887,969,972,100
5. Step 5: Solve for x
   x = 78,887,969,972,100/4,124,994
6. Step 6: Final answer
   x = 19,124,384.17