Finding the Third Proportional to 369,157 and 578,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   369,157 : 578,341.50 = 578,341.50 : x
2. Step 2: Convert to fraction form
   369,157/578,341.50 = 578,341.50/x
3. Step 3: Cross multiply
   369,157x = 578,341.50 × 578,341.50
4. Step 4: Simplify right side
   369,157x = 334,478,890,622.25
5. Step 5: Solve for x
   x = 334,478,890,622.25/369,157
6. Step 6: Final answer
   x = 906,061.35