Finding the Third Proportional to 68,984,145 and 150,215,488.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,984,145 : 150,215,488.50 = 150,215,488.50 : x
2. Step 2: Convert to fraction form
   68,984,145/150,215,488.50 = 150,215,488.50/x
3. Step 3: Cross multiply
   68,984,145x = 150,215,488.50 × 150,215,488.50
4. Step 4: Simplify right side
   68,984,145x = 22,564,692,985,293,632
5. Step 5: Solve for x
   x = 22,564,692,985,293,632/68,984,145
6. Step 6: Final answer
   x = 327,099,697.84