Finding the Third Proportional to 10,180,424 and 21,818,146

Step by Step Solution

1. Step 1: Write the proportion equation
   10,180,424 : 21,818,146 = 21,818,146 : x
2. Step 2: Convert to fraction form
   10,180,424/21,818,146 = 21,818,146/x
3. Step 3: Cross multiply
   10,180,424x = 21,818,146 × 21,818,146
4. Step 4: Simplify right side
   10,180,424x = 476,031,494,877,316
5. Step 5: Solve for x
   x = 476,031,494,877,316/10,180,424
6. Step 6: Final answer
   x = 46,759,495.96