Finding the Third Proportional to 737,658 and 1,139,233.50

Step by Step Solution

1. Step 1: Write the proportion equation
   737,658 : 1,139,233.50 = 1,139,233.50 : x
2. Step 2: Convert to fraction form
   737,658/1,139,233.50 = 1,139,233.50/x
3. Step 3: Cross multiply
   737,658x = 1,139,233.50 × 1,139,233.50
4. Step 4: Simplify right side
   737,658x = 1,297,852,967,522.25
5. Step 5: Solve for x
   x = 1,297,852,967,522.25/737,658
6. Step 6: Final answer
   x = 1,759,423.70