Finding the Third Proportional to 2,781,848.81 and 5,931,128.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,781,848.81 : 5,931,128.81 = 5,931,128.81 : x
2. Step 2: Convert to fraction form
   2,781,848.81/5,931,128.81 = 5,931,128.81/x
3. Step 3: Cross multiply
   2,781,848.81x = 5,931,128.81 × 5,931,128.81
4. Step 4: Simplify right side
   2,781,848.81x = 35,178,288,990,467.66
5. Step 5: Solve for x
   x = 35,178,288,990,467.66/2,781,848.81
6. Step 6: Final answer
   x = 12,645,650.92