Finding the Third Proportional to 915,392.81 and 1,993,521.38

Step by Step Solution

1. Step 1: Write the proportion equation
   915,392.81 : 1,993,521.38 = 1,993,521.38 : x
2. Step 2: Convert to fraction form
   915,392.81/1,993,521.38 = 1,993,521.38/x
3. Step 3: Cross multiply
   915,392.81x = 1,993,521.38 × 1,993,521.38
4. Step 4: Simplify right side
   915,392.81x = 3,974,127,472,581.89
5. Step 5: Solve for x
   x = 3,974,127,472,581.89/915,392.81
6. Step 6: Final answer
   x = 4,341,444.92