Finding the Third Proportional to 780,316 and 1,677,032

Step by Step Solution

1. Step 1: Write the proportion equation
   780,316 : 1,677,032 = 1,677,032 : x
2. Step 2: Convert to fraction form
   780,316/1,677,032 = 1,677,032/x
3. Step 3: Cross multiply
   780,316x = 1,677,032 × 1,677,032
4. Step 4: Simplify right side
   780,316x = 2,812,436,329,024
5. Step 5: Solve for x
   x = 2,812,436,329,024/780,316
6. Step 6: Final answer
   x = 3,604,227.43