Finding the Third Proportional to 591,152 and 917,222

Step by Step Solution

1. Step 1: Write the proportion equation
   591,152 : 917,222 = 917,222 : x
2. Step 2: Convert to fraction form
   591,152/917,222 = 917,222/x
3. Step 3: Cross multiply
   591,152x = 917,222 × 917,222
4. Step 4: Simplify right side
   591,152x = 841,296,197,284
5. Step 5: Solve for x
   x = 841,296,197,284/591,152
6. Step 6: Final answer
   x = 1,423,147.00