Finding the Third Proportional to 30,603,744.75 and 64,661,490

Step by Step Solution

1. Step 1: Write the proportion equation
   30,603,744.75 : 64,661,490 = 64,661,490 : x
2. Step 2: Convert to fraction form
   30,603,744.75/64,661,490 = 64,661,490/x
3. Step 3: Cross multiply
   30,603,744.75x = 64,661,490 × 64,661,490
4. Step 4: Simplify right side
   30,603,744.75x = 4,181,108,289,020,100
5. Step 5: Solve for x
   x = 4,181,108,289,020,100/30,603,744.75
6. Step 6: Final answer
   x = 136,620,806.48