Finding the Third Proportional to 2,789,463.77 and 4,308,556.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789,463.77 : 4,308,556.72 = 4,308,556.72 : x
2. Step 2: Convert to fraction form
   2,789,463.77/4,308,556.72 = 4,308,556.72/x
3. Step 3: Cross multiply
   2,789,463.77x = 4,308,556.72 × 4,308,556.72
4. Step 4: Simplify right side
   2,789,463.77x = 18,563,661,021,302.25
5. Step 5: Solve for x
   x = 18,563,661,021,302.25/2,789,463.77
6. Step 6: Final answer
   x = 6,654,921.00