Finding the Third Proportional to 916,356 and 1,347,072

Step by Step Solution

1. Step 1: Write the proportion equation
   916,356 : 1,347,072 = 1,347,072 : x
2. Step 2: Convert to fraction form
   916,356/1,347,072 = 1,347,072/x
3. Step 3: Cross multiply
   916,356x = 1,347,072 × 1,347,072
4. Step 4: Simplify right side
   916,356x = 1,814,602,973,184
5. Step 5: Solve for x
   x = 1,814,602,973,184/916,356
6. Step 6: Final answer
   x = 1,980,238.00