Finding the Third Proportional to 13,288,275 and 20,499,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288,275 : 20,499,070.50 = 20,499,070.50 : x
2. Step 2: Convert to fraction form
   13,288,275/20,499,070.50 = 20,499,070.50/x
3. Step 3: Cross multiply
   13,288,275x = 20,499,070.50 × 20,499,070.50
4. Step 4: Simplify right side
   13,288,275x = 420,211,891,363,970.25
5. Step 5: Solve for x
   x = 420,211,891,363,970.25/13,288,275
6. Step 6: Final answer
   x = 31,622,757.01