Finding the Third Proportional to 762,406.50 and 1,016,403

Step by Step Solution

1. Step 1: Write the proportion equation
   762,406.50 : 1,016,403 = 1,016,403 : x
2. Step 2: Convert to fraction form
   762,406.50/1,016,403 = 1,016,403/x
3. Step 3: Cross multiply
   762,406.50x = 1,016,403 × 1,016,403
4. Step 4: Simplify right side
   762,406.50x = 1,033,075,058,409
5. Step 5: Solve for x
   x = 1,033,075,058,409/762,406.50
6. Step 6: Final answer
   x = 1,355,018.69