Finding the Third Proportional to 183,713 and 393,670.50

Step by Step Solution

1. Step 1: Write the proportion equation
   183,713 : 393,670.50 = 393,670.50 : x
2. Step 2: Convert to fraction form
   183,713/393,670.50 = 393,670.50/x
3. Step 3: Cross multiply
   183,713x = 393,670.50 × 393,670.50
4. Step 4: Simplify right side
   183,713x = 154,976,462,570.25
5. Step 5: Solve for x
   x = 154,976,462,570.25/183,713
6. Step 6: Final answer
   x = 843,579.18