Finding the Third Proportional to 743,778 and 1,531,572

Step by Step Solution

1. Step 1: Write the proportion equation
   743,778 : 1,531,572 = 1,531,572 : x
2. Step 2: Convert to fraction form
   743,778/1,531,572 = 1,531,572/x
3. Step 3: Cross multiply
   743,778x = 1,531,572 × 1,531,572
4. Step 4: Simplify right side
   743,778x = 2,345,712,791,184
5. Step 5: Solve for x
   x = 2,345,712,791,184/743,778
6. Step 6: Final answer
   x = 3,153,780.82