Finding the Third Proportional to 915,664.50 and 1,983,870

Step by Step Solution

1. Step 1: Write the proportion equation
   915,664.50 : 1,983,870 = 1,983,870 : x
2. Step 2: Convert to fraction form
   915,664.50/1,983,870 = 1,983,870/x
3. Step 3: Cross multiply
   915,664.50x = 1,983,870 × 1,983,870
4. Step 4: Simplify right side
   915,664.50x = 3,935,740,176,900
5. Step 5: Solve for x
   x = 3,935,740,176,900/915,664.50
6. Step 6: Final answer
   x = 4,298,233.88