Finding the Third Proportional to 71,645,942 and 155,455,978

Step by Step Solution

1. Step 1: Write the proportion equation
   71,645,942 : 155,455,978 = 155,455,978 : x
2. Step 2: Convert to fraction form
   71,645,942/155,455,978 = 155,455,978/x
3. Step 3: Cross multiply
   71,645,942x = 155,455,978 × 155,455,978
4. Step 4: Simplify right side
   71,645,942x = 24,166,561,095,936,484
5. Step 5: Solve for x
   x = 24,166,561,095,936,484/71,645,942
6. Step 6: Final answer
   x = 337,305,371.68