Finding the Third Proportional to 901.13 and 1,870.31

Step by Step Solution

1. Step 1: Write the proportion equation
   901.13 : 1,870.31 = 1,870.31 : x
2. Step 2: Convert to fraction form
   901.13/1,870.31 = 1,870.31/x
3. Step 3: Cross multiply
   901.13x = 1,870.31 × 1,870.31
4. Step 4: Simplify right side
   901.13x = 3,498,068.85
5. Step 5: Solve for x
   x = 3,498,068.85/901.13
6. Step 6: Final answer
   x = 3,881.89