Finding the Third Proportional to 673,470 and 1,045,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   673,470 : 1,045,618.50 = 1,045,618.50 : x
2. Step 2: Convert to fraction form
   673,470/1,045,618.50 = 1,045,618.50/x
3. Step 3: Cross multiply
   673,470x = 1,045,618.50 × 1,045,618.50
4. Step 4: Simplify right side
   673,470x = 1,093,318,047,542.25
5. Step 5: Solve for x
   x = 1,093,318,047,542.25/673,470
6. Step 6: Final answer
   x = 1,623,410.17