Finding the Third Proportional to 771,358 and 1,580,300

Step by Step Solution

1. Step 1: Write the proportion equation
   771,358 : 1,580,300 = 1,580,300 : x
2. Step 2: Convert to fraction form
   771,358/1,580,300 = 1,580,300/x
3. Step 3: Cross multiply
   771,358x = 1,580,300 × 1,580,300
4. Step 4: Simplify right side
   771,358x = 2,497,348,090,000
5. Step 5: Solve for x
   x = 2,497,348,090,000/771,358
6. Step 6: Final answer
   x = 3,237,599.26