Finding the Third Proportional to 701,784 and 1,088,640

Step by Step Solution

1. Step 1: Write the proportion equation
   701,784 : 1,088,640 = 1,088,640 : x
2. Step 2: Convert to fraction form
   701,784/1,088,640 = 1,088,640/x
3. Step 3: Cross multiply
   701,784x = 1,088,640 × 1,088,640
4. Step 4: Simplify right side
   701,784x = 1,185,137,049,600
5. Step 5: Solve for x
   x = 1,185,137,049,600/701,784
6. Step 6: Final answer
   x = 1,688,749.03