Finding the Third Proportional to 51,495,999 and 72,171,504

Step by Step Solution

1. Step 1: Write the proportion equation
   51,495,999 : 72,171,504 = 72,171,504 : x
2. Step 2: Convert to fraction form
   51,495,999/72,171,504 = 72,171,504/x
3. Step 3: Cross multiply
   51,495,999x = 72,171,504 × 72,171,504
4. Step 4: Simplify right side
   51,495,999x = 5,208,725,989,622,016
5. Step 5: Solve for x
   x = 5,208,725,989,622,016/51,495,999
6. Step 6: Final answer
   x = 101,148,168.61