Finding the Third Proportional to 31,450,846 and 67,273,640

Step by Step Solution

1. Step 1: Write the proportion equation
   31,450,846 : 67,273,640 = 67,273,640 : x
2. Step 2: Convert to fraction form
   31,450,846/67,273,640 = 67,273,640/x
3. Step 3: Cross multiply
   31,450,846x = 67,273,640 × 67,273,640
4. Step 4: Simplify right side
   31,450,846x = 4,525,742,638,849,600
5. Step 5: Solve for x
   x = 4,525,742,638,849,600/31,450,846
6. Step 6: Final answer
   x = 143,898,915.75