Finding the Third Proportional to 661,152 and 1,357,152

Step by Step Solution

1. Step 1: Write the proportion equation
   661,152 : 1,357,152 = 1,357,152 : x
2. Step 2: Convert to fraction form
   661,152/1,357,152 = 1,357,152/x
3. Step 3: Cross multiply
   661,152x = 1,357,152 × 1,357,152
4. Step 4: Simplify right side
   661,152x = 1,841,861,551,104
5. Step 5: Solve for x
   x = 1,841,861,551,104/661,152
6. Step 6: Final answer
   x = 2,785,836.77