Finding the Third Proportional to 28,919,949 and 42,271,608

Step by Step Solution

1. Step 1: Write the proportion equation
   28,919,949 : 42,271,608 = 42,271,608 : x
2. Step 2: Convert to fraction form
   28,919,949/42,271,608 = 42,271,608/x
3. Step 3: Cross multiply
   28,919,949x = 42,271,608 × 42,271,608
4. Step 4: Simplify right side
   28,919,949x = 1,786,888,842,905,664
5. Step 5: Solve for x
   x = 1,786,888,842,905,664/28,919,949
6. Step 6: Final answer
   x = 61,787,413.35