Finding the Third Proportional to 11,939,871 and 25,582,534.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,939,871 : 25,582,534.50 = 25,582,534.50 : x
2. Step 2: Convert to fraction form
   11,939,871/25,582,534.50 = 25,582,534.50/x
3. Step 3: Cross multiply
   11,939,871x = 25,582,534.50 × 25,582,534.50
4. Step 4: Simplify right side
   11,939,871x = 654,466,071,443,690.25
5. Step 5: Solve for x
   x = 654,466,071,443,690.25/11,939,871
6. Step 6: Final answer
   x = 54,813,496.01