Finding the Third Proportional to 21,171,392 and 45,927,520

Step by Step Solution

1. Step 1: Write the proportion equation
   21,171,392 : 45,927,520 = 45,927,520 : x
2. Step 2: Convert to fraction form
   21,171,392/45,927,520 = 45,927,520/x
3. Step 3: Cross multiply
   21,171,392x = 45,927,520 × 45,927,520
4. Step 4: Simplify right side
   21,171,392x = 2,109,337,093,350,400
5. Step 5: Solve for x
   x = 2,109,337,093,350,400/21,171,392
6. Step 6: Final answer
   x = 99,631,478.81