Finding the Third Proportional to 249,742.50 and 546,111

Step by Step Solution

1. Step 1: Write the proportion equation
   249,742.50 : 546,111 = 546,111 : x
2. Step 2: Convert to fraction form
   249,742.50/546,111 = 546,111/x
3. Step 3: Cross multiply
   249,742.50x = 546,111 × 546,111
4. Step 4: Simplify right side
   249,742.50x = 298,237,224,321
5. Step 5: Solve for x
   x = 298,237,224,321/249,742.50
6. Step 6: Final answer
   x = 1,194,178.90