Finding the Third Proportional to 3,663,139.13 and 5,384,953.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663,139.13 : 5,384,953.31 = 5,384,953.31 : x
2. Step 2: Convert to fraction form
   3,663,139.13/5,384,953.31 = 5,384,953.31/x
3. Step 3: Cross multiply
   3,663,139.13x = 5,384,953.31 × 5,384,953.31
4. Step 4: Simplify right side
   3,663,139.13x = 28,997,722,177,804.72
5. Step 5: Solve for x
   x = 28,997,722,177,804.72/3,663,139.13
6. Step 6: Final answer
   x = 7,916,085.41