Finding the Third Proportional to 72,558,517 and 157,871,132

Step by Step Solution

1. Step 1: Write the proportion equation
   72,558,517 : 157,871,132 = 157,871,132 : x
2. Step 2: Convert to fraction form
   72,558,517/157,871,132 = 157,871,132/x
3. Step 3: Cross multiply
   72,558,517x = 157,871,132 × 157,871,132
4. Step 4: Simplify right side
   72,558,517x = 24,923,294,318,961,424
5. Step 5: Solve for x
   x = 24,923,294,318,961,424/72,558,517
6. Step 6: Final answer
   x = 343,492,333.49