Finding the Third Proportional to 654,507 and 1,388,248

Step by Step Solution

1. Step 1: Write the proportion equation
   654,507 : 1,388,248 = 1,388,248 : x
2. Step 2: Convert to fraction form
   654,507/1,388,248 = 1,388,248/x
3. Step 3: Cross multiply
   654,507x = 1,388,248 × 1,388,248
4. Step 4: Simplify right side
   654,507x = 1,927,232,509,504
5. Step 5: Solve for x
   x = 1,927,232,509,504/654,507
6. Step 6: Final answer
   x = 2,944,555.99