Finding the Third Proportional to 442,797 and 917,101.50

Step by Step Solution

1. Step 1: Write the proportion equation
   442,797 : 917,101.50 = 917,101.50 : x
2. Step 2: Convert to fraction form
   442,797/917,101.50 = 917,101.50/x
3. Step 3: Cross multiply
   442,797x = 917,101.50 × 917,101.50
4. Step 4: Simplify right side
   442,797x = 841,075,161,302.25
5. Step 5: Solve for x
   x = 841,075,161,302.25/442,797
6. Step 6: Final answer
   x = 1,899,459.94