Finding the Third Proportional to 359,741 and 773,916.50

Step by Step Solution

1. Step 1: Write the proportion equation
   359,741 : 773,916.50 = 773,916.50 : x
2. Step 2: Convert to fraction form
   359,741/773,916.50 = 773,916.50/x
3. Step 3: Cross multiply
   359,741x = 773,916.50 × 773,916.50
4. Step 4: Simplify right side
   359,741x = 598,946,748,972.25
5. Step 5: Solve for x
   x = 598,946,748,972.25/359,741
6. Step 6: Final answer
   x = 1,664,938.80