Finding the Third Proportional to 915,905 and 1,984,270

Step by Step Solution

1. Step 1: Write the proportion equation
   915,905 : 1,984,270 = 1,984,270 : x
2. Step 2: Convert to fraction form
   915,905/1,984,270 = 1,984,270/x
3. Step 3: Cross multiply
   915,905x = 1,984,270 × 1,984,270
4. Step 4: Simplify right side
   915,905x = 3,937,327,432,900
5. Step 5: Solve for x
   x = 3,937,327,432,900/915,905
6. Step 6: Final answer
   x = 4,298,838.23