Finding the Third Proportional to 31,449,968 and 67,272,026

Step by Step Solution

1. Step 1: Write the proportion equation
   31,449,968 : 67,272,026 = 67,272,026 : x
2. Step 2: Convert to fraction form
   31,449,968/67,272,026 = 67,272,026/x
3. Step 3: Cross multiply
   31,449,968x = 67,272,026 × 67,272,026
4. Step 4: Simplify right side
   31,449,968x = 4,525,525,482,144,676
5. Step 5: Solve for x
   x = 4,525,525,482,144,676/31,449,968
6. Step 6: Final answer
   x = 143,896,028.20