Finding the Third Proportional to 10,245,134 and 21,817,534

Step by Step Solution

1. Step 1: Write the proportion equation
   10,245,134 : 21,817,534 = 21,817,534 : x
2. Step 2: Convert to fraction form
   10,245,134/21,817,534 = 21,817,534/x
3. Step 3: Cross multiply
   10,245,134x = 21,817,534 × 21,817,534
4. Step 4: Simplify right side
   10,245,134x = 476,004,789,841,156
5. Step 5: Solve for x
   x = 476,004,789,841,156/10,245,134
6. Step 6: Final answer
   x = 46,461,548.46