Finding the Third Proportional to 3,308,657.63 and 5,109,682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,308,657.63 : 5,109,682.50 = 5,109,682.50 : x
2. Step 2: Convert to fraction form
   3,308,657.63/5,109,682.50 = 5,109,682.50/x
3. Step 3: Cross multiply
   3,308,657.63x = 5,109,682.50 × 5,109,682.50
4. Step 4: Simplify right side
   3,308,657.63x = 26,108,855,250,806.25
5. Step 5: Solve for x
   x = 26,108,855,250,806.25/3,308,657.63
6. Step 6: Final answer
   x = 7,891,071.91