Finding the Third Proportional to 30,991,075 and 67,562,288

Step by Step Solution

1. Step 1: Write the proportion equation
   30,991,075 : 67,562,288 = 67,562,288 : x
2. Step 2: Convert to fraction form
   30,991,075/67,562,288 = 67,562,288/x
3. Step 3: Cross multiply
   30,991,075x = 67,562,288 × 67,562,288
4. Step 4: Simplify right side
   30,991,075x = 4,564,662,759,794,944
5. Step 5: Solve for x
   x = 4,564,662,759,794,944/30,991,075
6. Step 6: Final answer
   x = 147,289,590.95