Finding the Third Proportional to 67,404,942 and 145,192,644

Step by Step Solution

1. Step 1: Write the proportion equation
   67,404,942 : 145,192,644 = 145,192,644 : x
2. Step 2: Convert to fraction form
   67,404,942/145,192,644 = 145,192,644/x
3. Step 3: Cross multiply
   67,404,942x = 145,192,644 × 145,192,644
4. Step 4: Simplify right side
   67,404,942x = 21,080,903,871,710,736
5. Step 5: Solve for x
   x = 21,080,903,871,710,736/67,404,942
6. Step 6: Final answer
   x = 312,750,122.56