Finding the Third Proportional to 8,373,900,655 and 12,964,641,166

Step by Step Solution

1. Step 1: Write the proportion equation
   8,373,900,655 : 12,964,641,166 = 12,964,641,166 : x
2. Step 2: Convert to fraction form
   8,373,900,655/12,964,641,166 = 12,964,641,166/x
3. Step 3: Cross multiply
   8,373,900,655x = 12,964,641,166 × 12,964,641,166
4. Step 4: Simplify right side
   8,373,900,655x = 168,081,920,563,141,836,800
5. Step 5: Solve for x
   x = 168,081,920,563,141,836,800/8,373,900,655
6. Step 6: Final answer
   x = 20,072,117,820.36