Finding the Third Proportional to 72,809,417 and 156,424,790

Step by Step Solution

1. Step 1: Write the proportion equation
   72,809,417 : 156,424,790 = 156,424,790 : x
2. Step 2: Convert to fraction form
   72,809,417/156,424,790 = 156,424,790/x
3. Step 3: Cross multiply
   72,809,417x = 156,424,790 × 156,424,790
4. Step 4: Simplify right side
   72,809,417x = 24,468,714,926,544,100
5. Step 5: Solve for x
   x = 24,468,714,926,544,100/72,809,417
6. Step 6: Final answer
   x = 336,065,250.00