Finding the Third Proportional to 249,970.50 and 549,972

Step by Step Solution

1. Step 1: Write the proportion equation
   249,970.50 : 549,972 = 549,972 : x
2. Step 2: Convert to fraction form
   249,970.50/549,972 = 549,972/x
3. Step 3: Cross multiply
   249,970.50x = 549,972 × 549,972
4. Step 4: Simplify right side
   249,970.50x = 302,469,200,784
5. Step 5: Solve for x
   x = 302,469,200,784/249,970.50
6. Step 6: Final answer
   x = 1,210,019.59