Finding the Third Proportional to 9,749,516 and 21,126,164

Step by Step Solution

1. Step 1: Write the proportion equation
   9,749,516 : 21,126,164 = 21,126,164 : x
2. Step 2: Convert to fraction form
   9,749,516/21,126,164 = 21,126,164/x
3. Step 3: Cross multiply
   9,749,516x = 21,126,164 × 21,126,164
4. Step 4: Simplify right side
   9,749,516x = 446,314,805,354,896
5. Step 5: Solve for x
   x = 446,314,805,354,896/9,749,516
6. Step 6: Final answer
   x = 45,778,149.95