Finding the Third Proportional to 72,558,542 and 157,871,180

Step by Step Solution

1. Step 1: Write the proportion equation
   72,558,542 : 157,871,180 = 157,871,180 : x
2. Step 2: Convert to fraction form
   72,558,542/157,871,180 = 157,871,180/x
3. Step 3: Cross multiply
   72,558,542x = 157,871,180 × 157,871,180
4. Step 4: Simplify right side
   72,558,542x = 24,923,309,474,592,400
5. Step 5: Solve for x
   x = 24,923,309,474,592,400/72,558,542
6. Step 6: Final answer
   x = 343,492,424.02