Finding the Third Proportional to 4,610,463 and 9,931,134

Step by Step Solution

1. Step 1: Write the proportion equation
   4,610,463 : 9,931,134 = 9,931,134 : x
2. Step 2: Convert to fraction form
   4,610,463/9,931,134 = 9,931,134/x
3. Step 3: Cross multiply
   4,610,463x = 9,931,134 × 9,931,134
4. Step 4: Simplify right side
   4,610,463x = 98,627,422,525,956
5. Step 5: Solve for x
   x = 98,627,422,525,956/4,610,463
6. Step 6: Final answer
   x = 21,392,086.33