Finding the Third Proportional to 2,174,871 and 5,117,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,871 : 5,117,065.50 = 5,117,065.50 : x
2. Step 2: Convert to fraction form
   2,174,871/5,117,065.50 = 5,117,065.50/x
3. Step 3: Cross multiply
   2,174,871x = 5,117,065.50 × 5,117,065.50
4. Step 4: Simplify right side
   2,174,871x = 26,184,359,331,290.25
5. Step 5: Solve for x
   x = 26,184,359,331,290.25/2,174,871
6. Step 6: Final answer
   x = 12,039,499.97