Finding the Third Proportional to 123,470,128 and 181,510,616

Step by Step Solution

1. Step 1: Write the proportion equation
   123,470,128 : 181,510,616 = 181,510,616 : x
2. Step 2: Convert to fraction form
   123,470,128/181,510,616 = 181,510,616/x
3. Step 3: Cross multiply
   123,470,128x = 181,510,616 × 181,510,616
4. Step 4: Simplify right side
   123,470,128x = 32,946,103,720,699,456
5. Step 5: Solve for x
   x = 32,946,103,720,699,456/123,470,128
6. Step 6: Final answer
   x = 266,834,612.18