Finding the Third Proportional to 72,558,509 and 157,871,116

Step by Step Solution

1. Step 1: Write the proportion equation
   72,558,509 : 157,871,116 = 157,871,116 : x
2. Step 2: Convert to fraction form
   72,558,509/157,871,116 = 157,871,116/x
3. Step 3: Cross multiply
   72,558,509x = 157,871,116 × 157,871,116
4. Step 4: Simplify right side
   72,558,509x = 24,923,289,267,085,456
5. Step 5: Solve for x
   x = 24,923,289,267,085,456/72,558,509
6. Step 6: Final answer
   x = 343,492,301.74