Finding the Third Proportional to 31,450,007 and 67,272,118

Step by Step Solution

1. Step 1: Write the proportion equation
   31,450,007 : 67,272,118 = 67,272,118 : x
2. Step 2: Convert to fraction form
   31,450,007/67,272,118 = 67,272,118/x
3. Step 3: Cross multiply
   31,450,007x = 67,272,118 × 67,272,118
4. Step 4: Simplify right side
   31,450,007x = 4,525,537,860,205,924
5. Step 5: Solve for x
   x = 4,525,537,860,205,924/31,450,007
6. Step 6: Final answer
   x = 143,896,243.34