Finding the Third Proportional to 13,617,848 and 21,114,516

Step by Step Solution

1. Step 1: Write the proportion equation
   13,617,848 : 21,114,516 = 21,114,516 : x
2. Step 2: Convert to fraction form
   13,617,848/21,114,516 = 21,114,516/x
3. Step 3: Cross multiply
   13,617,848x = 21,114,516 × 21,114,516
4. Step 4: Simplify right side
   13,617,848x = 445,822,785,914,256
5. Step 5: Solve for x
   x = 445,822,785,914,256/13,617,848
6. Step 6: Final answer
   x = 32,738,123.23