Finding the Third Proportional to 120,783,441,472 and 262,772,850,109

Step by Step Solution

1. Step 1: Write the proportion equation
   120,783,441,472 : 262,772,850,109 = 262,772,850,109 : x
2. Step 2: Convert to fraction form
   120,783,441,472/262,772,850,109 = 262,772,850,109/x
3. Step 3: Cross multiply
   120,783,441,472x = 262,772,850,109 × 262,772,850,109
4. Step 4: Simplify right side
   120,783,441,472x = 69,049,570,754,406,983,401,472
5. Step 5: Solve for x
   x = 69,049,570,754,406,983,401,472/120,783,441,472
6. Step 6: Final answer
   x = 571,680,769,424.13