Finding the Third Proportional to 72,813,168 and 156,432,024

Step by Step Solution

1. Step 1: Write the proportion equation
   72,813,168 : 156,432,024 = 156,432,024 : x
2. Step 2: Convert to fraction form
   72,813,168/156,432,024 = 156,432,024/x
3. Step 3: Cross multiply
   72,813,168x = 156,432,024 × 156,432,024
4. Step 4: Simplify right side
   72,813,168x = 24,470,978,132,736,576
5. Step 5: Solve for x
   x = 24,470,978,132,736,576/72,813,168
6. Step 6: Final answer
   x = 336,079,019.84