Finding the Third Proportional to 67,942,938 and 103,890,420

Step by Step Solution

1. Step 1: Write the proportion equation
   67,942,938 : 103,890,420 = 103,890,420 : x
2. Step 2: Convert to fraction form
   67,942,938/103,890,420 = 103,890,420/x
3. Step 3: Cross multiply
   67,942,938x = 103,890,420 × 103,890,420
4. Step 4: Simplify right side
   67,942,938x = 10,793,219,367,776,400
5. Step 5: Solve for x
   x = 10,793,219,367,776,400/67,942,938
6. Step 6: Final answer
   x = 158,857,118.72