Finding the Third Proportional to 8,828,871 and 13,252,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,828,871 : 13,252,111.50 = 13,252,111.50 : x
2. Step 2: Convert to fraction form
   8,828,871/13,252,111.50 = 13,252,111.50/x
3. Step 3: Cross multiply
   8,828,871x = 13,252,111.50 × 13,252,111.50
4. Step 4: Simplify right side
   8,828,871x = 175,618,459,208,432.25
5. Step 5: Solve for x
   x = 175,618,459,208,432.25/8,828,871
6. Step 6: Final answer
   x = 19,891,383.53