Finding the Third Proportional to 3,554,991 and 5,369,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554,991 : 5,369,845.50 = 5,369,845.50 : x
2. Step 2: Convert to fraction form
   3,554,991/5,369,845.50 = 5,369,845.50/x
3. Step 3: Cross multiply
   3,554,991x = 5,369,845.50 × 5,369,845.50
4. Step 4: Simplify right side
   3,554,991x = 28,835,240,693,870.25
5. Step 5: Solve for x
   x = 28,835,240,693,870.25/3,554,991
6. Step 6: Final answer
   x = 8,111,199.35