Finding the Third Proportional to 9,749,523 and 21,126,168

Step by Step Solution

1. Step 1: Write the proportion equation
   9,749,523 : 21,126,168 = 21,126,168 : x
2. Step 2: Convert to fraction form
   9,749,523/21,126,168 = 21,126,168/x
3. Step 3: Cross multiply
   9,749,523x = 21,126,168 × 21,126,168
4. Step 4: Simplify right side
   9,749,523x = 446,314,974,364,224
5. Step 5: Solve for x
   x = 446,314,974,364,224/9,749,523
6. Step 6: Final answer
   x = 45,778,134.41