Finding the Third Proportional to 542,776.50 and 1,186,155

Step by Step Solution

1. Step 1: Write the proportion equation
   542,776.50 : 1,186,155 = 1,186,155 : x
2. Step 2: Convert to fraction form
   542,776.50/1,186,155 = 1,186,155/x
3. Step 3: Cross multiply
   542,776.50x = 1,186,155 × 1,186,155
4. Step 4: Simplify right side
   542,776.50x = 1,406,963,684,025
5. Step 5: Solve for x
   x = 1,406,963,684,025/542,776.50
6. Step 6: Final answer
   x = 2,592,160.28