Finding the Third Proportional to 439,156,809 and 923,601,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   439,156,809 : 923,601,973.50 = 923,601,973.50 : x
2. Step 2: Convert to fraction form
   439,156,809/923,601,973.50 = 923,601,973.50/x
3. Step 3: Cross multiply
   439,156,809x = 923,601,973.50 × 923,601,973.50
4. Step 4: Simplify right side
   439,156,809x = 853,040,605,453,094,656
5. Step 5: Solve for x
   x = 853,040,605,453,094,656/439,156,809
6. Step 6: Final answer
   x = 1,942,451,051.59