Finding the Third Proportional to 270,903 and 623,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   270,903 : 623,041.50 = 623,041.50 : x
2. Step 2: Convert to fraction form
   270,903/623,041.50 = 623,041.50/x
3. Step 3: Cross multiply
   270,903x = 623,041.50 × 623,041.50
4. Step 4: Simplify right side
   270,903x = 388,180,710,722.25
5. Step 5: Solve for x
   x = 388,180,710,722.25/270,903
6. Step 6: Final answer
   x = 1,432,914.03