Finding the Third Proportional to 199,084.50 and 429,840

Step by Step Solution

1. Step 1: Write the proportion equation
   199,084.50 : 429,840 = 429,840 : x
2. Step 2: Convert to fraction form
   199,084.50/429,840 = 429,840/x
3. Step 3: Cross multiply
   199,084.50x = 429,840 × 429,840
4. Step 4: Simplify right side
   199,084.50x = 184,762,425,600
5. Step 5: Solve for x
   x = 184,762,425,600/199,084.50
6. Step 6: Final answer
   x = 928,060.32