Finding the Third Proportional to 3,676,407.50 and 8,078,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,676,407.50 : 8,078,494.50 = 8,078,494.50 : x
2. Step 2: Convert to fraction form
   3,676,407.50/8,078,494.50 = 8,078,494.50/x
3. Step 3: Cross multiply
   3,676,407.50x = 8,078,494.50 × 8,078,494.50
4. Step 4: Simplify right side
   3,676,407.50x = 65,262,073,386,530.25
5. Step 5: Solve for x
   x = 65,262,073,386,530.25/3,676,407.50
6. Step 6: Final answer
   x = 17,751,588.58