Finding the Third Proportional to 385,093 and 858,730.50

Step by Step Solution

1. Step 1: Write the proportion equation
   385,093 : 858,730.50 = 858,730.50 : x
2. Step 2: Convert to fraction form
   385,093/858,730.50 = 858,730.50/x
3. Step 3: Cross multiply
   385,093x = 858,730.50 × 858,730.50
4. Step 4: Simplify right side
   385,093x = 737,418,071,630.25
5. Step 5: Solve for x
   x = 737,418,071,630.25/385,093
6. Step 6: Final answer
   x = 1,914,909.05