Finding the Third Proportional to 20,124,136 and 31,381,947

Step by Step Solution

1. Step 1: Write the proportion equation
   20,124,136 : 31,381,947 = 31,381,947 : x
2. Step 2: Convert to fraction form
   20,124,136/31,381,947 = 31,381,947/x
3. Step 3: Cross multiply
   20,124,136x = 31,381,947 × 31,381,947
4. Step 4: Simplify right side
   20,124,136x = 984,826,597,510,809
5. Step 5: Solve for x
   x = 984,826,597,510,809/20,124,136
6. Step 6: Final answer
   x = 48,937,584.08