Finding the Third Proportional to 588,905 and 918,349.50

Step by Step Solution

1. Step 1: Write the proportion equation
   588,905 : 918,349.50 = 918,349.50 : x
2. Step 2: Convert to fraction form
   588,905/918,349.50 = 918,349.50/x
3. Step 3: Cross multiply
   588,905x = 918,349.50 × 918,349.50
4. Step 4: Simplify right side
   588,905x = 843,365,804,150.25
5. Step 5: Solve for x
   x = 843,365,804,150.25/588,905
6. Step 6: Final answer
   x = 1,432,091.43