Finding the Third Proportional to 31,365,136 and 67,943,032

Step by Step Solution

1. Step 1: Write the proportion equation
   31,365,136 : 67,943,032 = 67,943,032 : x
2. Step 2: Convert to fraction form
   31,365,136/67,943,032 = 67,943,032/x
3. Step 3: Cross multiply
   31,365,136x = 67,943,032 × 67,943,032
4. Step 4: Simplify right side
   31,365,136x = 4,616,255,597,353,024
5. Step 5: Solve for x
   x = 4,616,255,597,353,024/31,365,136
6. Step 6: Final answer
   x = 147,177,923.84