Finding the Third Proportional to 21,171,406.50 and 45,927,549

Step by Step Solution

1. Step 1: Write the proportion equation
   21,171,406.50 : 45,927,549 = 45,927,549 : x
2. Step 2: Convert to fraction form
   21,171,406.50/45,927,549 = 45,927,549/x
3. Step 3: Cross multiply
   21,171,406.50x = 45,927,549 × 45,927,549
4. Step 4: Simplify right side
   21,171,406.50x = 2,109,339,757,147,401
5. Step 5: Solve for x
   x = 2,109,339,757,147,401/21,171,406.50
6. Step 6: Final answer
   x = 99,631,536.39