Finding the Third Proportional to 21,637,644 and 45,689,736

Step by Step Solution

1. Step 1: Write the proportion equation
   21,637,644 : 45,689,736 = 45,689,736 : x
2. Step 2: Convert to fraction form
   21,637,644/45,689,736 = 45,689,736/x
3. Step 3: Cross multiply
   21,637,644x = 45,689,736 × 45,689,736
4. Step 4: Simplify right side
   21,637,644x = 2,087,551,975,749,696
5. Step 5: Solve for x
   x = 2,087,551,975,749,696/21,637,644
6. Step 6: Final answer
   x = 96,477,785.46