Finding the Third Proportional to 71,117,997 and 155,157,807

Step by Step Solution

1. Step 1: Write the proportion equation
   71,117,997 : 155,157,807 = 155,157,807 : x
2. Step 2: Convert to fraction form
   71,117,997/155,157,807 = 155,157,807/x
3. Step 3: Cross multiply
   71,117,997x = 155,157,807 × 155,157,807
4. Step 4: Simplify right side
   71,117,997x = 24,073,945,073,049,248
5. Step 5: Solve for x
   x = 24,073,945,073,049,248/71,117,997
6. Step 6: Final answer
   x = 338,507,074.00