Finding the Third Proportional to 1,805,185.50 and 3,934,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805,185.50 : 3,934,128 = 3,934,128 : x
2. Step 2: Convert to fraction form
   1,805,185.50/3,934,128 = 3,934,128/x
3. Step 3: Cross multiply
   1,805,185.50x = 3,934,128 × 3,934,128
4. Step 4: Simplify right side
   1,805,185.50x = 15,477,363,120,384
5. Step 5: Solve for x
   x = 15,477,363,120,384/1,805,185.50
6. Step 6: Final answer
   x = 8,573,835.28