Finding the Third Proportional to 9,186,110 and 21,456,078

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,110 : 21,456,078 = 21,456,078 : x
2. Step 2: Convert to fraction form
   9,186,110/21,456,078 = 21,456,078/x
3. Step 3: Cross multiply
   9,186,110x = 21,456,078 × 21,456,078
4. Step 4: Simplify right side
   9,186,110x = 460,363,283,142,084
5. Step 5: Solve for x
   x = 460,363,283,142,084/9,186,110
6. Step 6: Final answer
   x = 50,115,150.28