Finding the Third Proportional to 525,147 and 1,266,090

Step by Step Solution

1. Step 1: Write the proportion equation
   525,147 : 1,266,090 = 1,266,090 : x
2. Step 2: Convert to fraction form
   525,147/1,266,090 = 1,266,090/x
3. Step 3: Cross multiply
   525,147x = 1,266,090 × 1,266,090
4. Step 4: Simplify right side
   525,147x = 1,602,983,888,100
5. Step 5: Solve for x
   x = 1,602,983,888,100/525,147
6. Step 6: Final answer
   x = 3,052,447.96