Finding the Third Proportional to 8,684,471.25 and 12,774,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,684,471.25 : 12,774,100.50 = 12,774,100.50 : x
2. Step 2: Convert to fraction form
   8,684,471.25/12,774,100.50 = 12,774,100.50/x
3. Step 3: Cross multiply
   8,684,471.25x = 12,774,100.50 × 12,774,100.50
4. Step 4: Simplify right side
   8,684,471.25x = 163,177,643,584,100.25
5. Step 5: Solve for x
   x = 163,177,643,584,100.25/8,684,471.25
6. Step 6: Final answer
   x = 18,789,588.78