Finding the Third Proportional to 13,773,386 and 20,588,110

Step by Step Solution

1. Step 1: Write the proportion equation
   13,773,386 : 20,588,110 = 20,588,110 : x
2. Step 2: Convert to fraction form
   13,773,386/20,588,110 = 20,588,110/x
3. Step 3: Cross multiply
   13,773,386x = 20,588,110 × 20,588,110
4. Step 4: Simplify right side
   13,773,386x = 423,870,273,372,100
5. Step 5: Solve for x
   x = 423,870,273,372,100/13,773,386
6. Step 6: Final answer
   x = 30,774,587.55