Finding the Third Proportional to 13,189,860 and 28,635,702

Step by Step Solution

1. Step 1: Write the proportion equation
   13,189,860 : 28,635,702 = 28,635,702 : x
2. Step 2: Convert to fraction form
   13,189,860/28,635,702 = 28,635,702/x
3. Step 3: Cross multiply
   13,189,860x = 28,635,702 × 28,635,702
4. Step 4: Simplify right side
   13,189,860x = 820,003,429,032,804
5. Step 5: Solve for x
   x = 820,003,429,032,804/13,189,860
6. Step 6: Final answer
   x = 62,169,229.17