Finding the Third Proportional to 740,840 and 1,106,380

Step by Step Solution

1. Step 1: Write the proportion equation
   740,840 : 1,106,380 = 1,106,380 : x
2. Step 2: Convert to fraction form
   740,840/1,106,380 = 1,106,380/x
3. Step 3: Cross multiply
   740,840x = 1,106,380 × 1,106,380
4. Step 4: Simplify right side
   740,840x = 1,224,076,704,400
5. Step 5: Solve for x
   x = 1,224,076,704,400/740,840
6. Step 6: Final answer
   x = 1,652,282.15