Finding the Third Proportional to 1,136,871 and 2,431,264.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,136,871 : 2,431,264.50 = 2,431,264.50 : x
2. Step 2: Convert to fraction form
   1,136,871/2,431,264.50 = 2,431,264.50/x
3. Step 3: Cross multiply
   1,136,871x = 2,431,264.50 × 2,431,264.50
4. Step 4: Simplify right side
   1,136,871x = 5,911,047,068,960.25
5. Step 5: Solve for x
   x = 5,911,047,068,960.25/1,136,871
6. Step 6: Final answer
   x = 5,199,399.99