Finding the Third Proportional to 13,189,876 and 28,635,736

Step by Step Solution

1. Step 1: Write the proportion equation
   13,189,876 : 28,635,736 = 28,635,736 : x
2. Step 2: Convert to fraction form
   13,189,876/28,635,736 = 28,635,736/x
3. Step 3: Cross multiply
   13,189,876x = 28,635,736 × 28,635,736
4. Step 4: Simplify right side
   13,189,876x = 820,005,376,261,696
5. Step 5: Solve for x
   x = 820,005,376,261,696/13,189,876
6. Step 6: Final answer
   x = 62,169,301.38