Finding the Third Proportional to 917,409 and 1,417,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   917,409 : 1,417,018.50 = 1,417,018.50 : x
2. Step 2: Convert to fraction form
   917,409/1,417,018.50 = 1,417,018.50/x
3. Step 3: Cross multiply
   917,409x = 1,417,018.50 × 1,417,018.50
4. Step 4: Simplify right side
   917,409x = 2,007,941,429,342.25
5. Step 5: Solve for x
   x = 2,007,941,429,342.25/917,409
6. Step 6: Final answer
   x = 2,188,709.10