Finding the Third Proportional to 385,755 and 834,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   385,755 : 834,931.50 = 834,931.50 : x
2. Step 2: Convert to fraction form
   385,755/834,931.50 = 834,931.50/x
3. Step 3: Cross multiply
   385,755x = 834,931.50 × 834,931.50
4. Step 4: Simplify right side
   385,755x = 697,110,609,692.25
5. Step 5: Solve for x
   x = 697,110,609,692.25/385,755
6. Step 6: Final answer
   x = 1,807,133.05