Finding the Third Proportional to 130,964 and 285,916.50

Step by Step Solution

1. Step 1: Write the proportion equation
   130,964 : 285,916.50 = 285,916.50 : x
2. Step 2: Convert to fraction form
   130,964/285,916.50 = 285,916.50/x
3. Step 3: Cross multiply
   130,964x = 285,916.50 × 285,916.50
4. Step 4: Simplify right side
   130,964x = 81,748,244,972.25
5. Step 5: Solve for x
   x = 81,748,244,972.25/130,964
6. Step 6: Final answer
   x = 624,203.94