Finding the Third Proportional to 108,311,270 and 171,645,300

Step by Step Solution

1. Step 1: Write the proportion equation
   108,311,270 : 171,645,300 = 171,645,300 : x
2. Step 2: Convert to fraction form
   108,311,270/171,645,300 = 171,645,300/x
3. Step 3: Cross multiply
   108,311,270x = 171,645,300 × 171,645,300
4. Step 4: Simplify right side
   108,311,270x = 29,462,109,012,090,000
5. Step 5: Solve for x
   x = 29,462,109,012,090,000/108,311,270
6. Step 6: Final answer
   x = 272,013,328.00