Finding the Third Proportional to 172,810,160 and 243,079,152

Step by Step Solution

1. Step 1: Write the proportion equation
   172,810,160 : 243,079,152 = 243,079,152 : x
2. Step 2: Convert to fraction form
   172,810,160/243,079,152 = 243,079,152/x
3. Step 3: Cross multiply
   172,810,160x = 243,079,152 × 243,079,152
4. Step 4: Simplify right side
   172,810,160x = 59,087,474,137,039,104
5. Step 5: Solve for x
   x = 59,087,474,137,039,104/172,810,160
6. Step 6: Final answer
   x = 341,921,297.55