Finding the Third Proportional to 21,991,683 and 45,491,910

Step by Step Solution

1. Step 1: Write the proportion equation
   21,991,683 : 45,491,910 = 45,491,910 : x
2. Step 2: Convert to fraction form
   21,991,683/45,491,910 = 45,491,910/x
3. Step 3: Cross multiply
   21,991,683x = 45,491,910 × 45,491,910
4. Step 4: Simplify right side
   21,991,683x = 2,069,513,875,448,100
5. Step 5: Solve for x
   x = 2,069,513,875,448,100/21,991,683
6. Step 6: Final answer
   x = 94,104,388.26