Finding the Third Proportional to 2,116,489.50 and 4,654,361.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116,489.50 : 4,654,361.25 = 4,654,361.25 : x
2. Step 2: Convert to fraction form
   2,116,489.50/4,654,361.25 = 4,654,361.25/x
3. Step 3: Cross multiply
   2,116,489.50x = 4,654,361.25 × 4,654,361.25
4. Step 4: Simplify right side
   2,116,489.50x = 21,663,078,645,501.56
5. Step 5: Solve for x
   x = 21,663,078,645,501.56/2,116,489.50
6. Step 6: Final answer
   x = 10,235,382.05