Finding the Third Proportional to 74,383,277.63 and 173,697,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   74,383,277.63 : 173,697,142.50 = 173,697,142.50 : x
2. Step 2: Convert to fraction form
   74,383,277.63/173,697,142.50 = 173,697,142.50/x
3. Step 3: Cross multiply
   74,383,277.63x = 173,697,142.50 × 173,697,142.50
4. Step 4: Simplify right side
   74,383,277.63x = 30,170,697,312,665,308
5. Step 5: Solve for x
   x = 30,170,697,312,665,308/74,383,277.63
6. Step 6: Final answer
   x = 405,611,291.62