Finding the Third Proportional to 21,189,618 and 45,736,524

Step by Step Solution

1. Step 1: Write the proportion equation
   21,189,618 : 45,736,524 = 45,736,524 : x
2. Step 2: Convert to fraction form
   21,189,618/45,736,524 = 45,736,524/x
3. Step 3: Cross multiply
   21,189,618x = 45,736,524 × 45,736,524
4. Step 4: Simplify right side
   21,189,618x = 2,091,829,627,602,576
5. Step 5: Solve for x
   x = 2,091,829,627,602,576/21,189,618
6. Step 6: Final answer
   x = 98,719,553.49