Finding the Third Proportional to 8,240,904 and 12,123,099

Step by Step Solution

1. Step 1: Write the proportion equation
   8,240,904 : 12,123,099 = 12,123,099 : x
2. Step 2: Convert to fraction form
   8,240,904/12,123,099 = 12,123,099/x
3. Step 3: Cross multiply
   8,240,904x = 12,123,099 × 12,123,099
4. Step 4: Simplify right side
   8,240,904x = 146,969,529,363,801
5. Step 5: Solve for x
   x = 146,969,529,363,801/8,240,904
6. Step 6: Final answer
   x = 17,834,151.37