Finding the Third Proportional to 3,553,831 and 5,064,922.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553,831 : 5,064,922.50 = 5,064,922.50 : x
2. Step 2: Convert to fraction form
   3,553,831/5,064,922.50 = 5,064,922.50/x
3. Step 3: Cross multiply
   3,553,831x = 5,064,922.50 × 5,064,922.50
4. Step 4: Simplify right side
   3,553,831x = 25,653,439,931,006.25
5. Step 5: Solve for x
   x = 25,653,439,931,006.25/3,553,831
6. Step 6: Final answer
   x = 7,218,531.19