Finding the Third Proportional to 8,808,031 and 12,872,152.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,808,031 : 12,872,152.50 = 12,872,152.50 : x
2. Step 2: Convert to fraction form
   8,808,031/12,872,152.50 = 12,872,152.50/x
3. Step 3: Cross multiply
   8,808,031x = 12,872,152.50 × 12,872,152.50
4. Step 4: Simplify right side
   8,808,031x = 165,692,309,983,256.25
5. Step 5: Solve for x
   x = 165,692,309,983,256.25/8,808,031
6. Step 6: Final answer
   x = 18,811,503.95