Finding the Third Proportional to 120,783,441,476 and 262,772,850,117

Step by Step Solution

1. Step 1: Write the proportion equation
   120,783,441,476 : 262,772,850,117 = 262,772,850,117 : x
2. Step 2: Convert to fraction form
   120,783,441,476/262,772,850,117 = 262,772,850,117/x
3. Step 3: Cross multiply
   120,783,441,476x = 262,772,850,117 × 262,772,850,117
4. Step 4: Simplify right side
   120,783,441,476x = 69,049,570,758,611,345,342,464
5. Step 5: Solve for x
   x = 69,049,570,758,611,345,342,464/120,783,441,476
6. Step 6: Final answer
   x = 571,680,769,440.00