Finding the Third Proportional to 13,105,720 and 20,514,140

Step by Step Solution

1. Step 1: Write the proportion equation
   13,105,720 : 20,514,140 = 20,514,140 : x
2. Step 2: Convert to fraction form
   13,105,720/20,514,140 = 20,514,140/x
3. Step 3: Cross multiply
   13,105,720x = 20,514,140 × 20,514,140
4. Step 4: Simplify right side
   13,105,720x = 420,829,939,939,600
5. Step 5: Solve for x
   x = 420,829,939,939,600/13,105,720
6. Step 6: Final answer
   x = 32,110,402.17