Finding the Third Proportional to 105,280,105.50 and 163,661,424

Step by Step Solution

1. Step 1: Write the proportion equation
   105,280,105.50 : 163,661,424 = 163,661,424 : x
2. Step 2: Convert to fraction form
   105,280,105.50/163,661,424 = 163,661,424/x
3. Step 3: Cross multiply
   105,280,105.50x = 163,661,424 × 163,661,424
4. Step 4: Simplify right side
   105,280,105.50x = 26,785,061,705,707,776
5. Step 5: Solve for x
   x = 26,785,061,705,707,776/105,280,105.50
6. Step 6: Final answer
   x = 254,417,124.47