Finding the Third Proportional to 1,436.13 and 2,070.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.13 : 2,070.63 = 2,070.63 : x
2. Step 2: Convert to fraction form
   1,436.13/2,070.63 = 2,070.63/x
3. Step 3: Cross multiply
   1,436.13x = 2,070.63 × 2,070.63
4. Step 4: Simplify right side
   1,436.13x = 4,287,487.89
5. Step 5: Solve for x
   x = 4,287,487.89/1,436.13
6. Step 6: Final answer
   x = 2,985.46