Finding the Third Proportional to 1,870.91 and 3,869.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.91 : 3,869.96 = 3,869.96 : x
2. Step 2: Convert to fraction form
   1,870.91/3,869.96 = 3,869.96/x
3. Step 3: Cross multiply
   1,870.91x = 3,869.96 × 3,869.96
4. Step 4: Simplify right side
   1,870.91x = 14,976,627.89
5. Step 5: Solve for x
   x = 14,976,627.89/1,870.91
6. Step 6: Final answer
   x = 8,005.00