Finding the Third Proportional to 3,781,407.38 and 5,717,131.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781,407.38 : 5,717,131.88 = 5,717,131.88 : x
2. Step 2: Convert to fraction form
   3,781,407.38/5,717,131.88 = 5,717,131.88/x
3. Step 3: Cross multiply
   3,781,407.38x = 5,717,131.88 × 5,717,131.88
4. Step 4: Simplify right side
   3,781,407.38x = 32,685,596,876,141.02
5. Step 5: Solve for x
   x = 32,685,596,876,141.02/3,781,407.38
6. Step 6: Final answer
   x = 8,643,765.04