Finding the Third Proportional to 615,090 and 1,322,148

Step by Step Solution

1. Step 1: Write the proportion equation
   615,090 : 1,322,148 = 1,322,148 : x
2. Step 2: Convert to fraction form
   615,090/1,322,148 = 1,322,148/x
3. Step 3: Cross multiply
   615,090x = 1,322,148 × 1,322,148
4. Step 4: Simplify right side
   615,090x = 1,748,075,333,904
5. Step 5: Solve for x
   x = 1,748,075,333,904/615,090
6. Step 6: Final answer
   x = 2,841,983.02