Finding the Third Proportional to 916,129 and 1,426,545

Step by Step Solution

1. Step 1: Write the proportion equation
   916,129 : 1,426,545 = 1,426,545 : x
2. Step 2: Convert to fraction form
   916,129/1,426,545 = 1,426,545/x
3. Step 3: Cross multiply
   916,129x = 1,426,545 × 1,426,545
4. Step 4: Simplify right side
   916,129x = 2,035,030,637,025
5. Step 5: Solve for x
   x = 2,035,030,637,025/916,129
6. Step 6: Final answer
   x = 2,221,336.34