Finding the Third Proportional to 85,466,548.50 and 173,953,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,466,548.50 : 173,953,627.50 = 173,953,627.50 : x
2. Step 2: Convert to fraction form
   85,466,548.50/173,953,627.50 = 173,953,627.50/x
3. Step 3: Cross multiply
   85,466,548.50x = 173,953,627.50 × 173,953,627.50
4. Step 4: Simplify right side
   85,466,548.50x = 30,259,864,520,408,756
5. Step 5: Solve for x
   x = 30,259,864,520,408,756/85,466,548.50
6. Step 6: Final answer
   x = 354,055,066.59