Finding the Third Proportional to 9,186,108 and 21,456,074

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,108 : 21,456,074 = 21,456,074 : x
2. Step 2: Convert to fraction form
   9,186,108/21,456,074 = 21,456,074/x
3. Step 3: Cross multiply
   9,186,108x = 21,456,074 × 21,456,074
4. Step 4: Simplify right side
   9,186,108x = 460,363,111,493,476
5. Step 5: Solve for x
   x = 460,363,111,493,476/9,186,108
6. Step 6: Final answer
   x = 50,115,142.51