Finding the Third Proportional to 1,071,572 and 1,621,134

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071,572 : 1,621,134 = 1,621,134 : x
2. Step 2: Convert to fraction form
   1,071,572/1,621,134 = 1,621,134/x
3. Step 3: Cross multiply
   1,071,572x = 1,621,134 × 1,621,134
4. Step 4: Simplify right side
   1,071,572x = 2,628,075,445,956
5. Step 5: Solve for x
   x = 2,628,075,445,956/1,071,572
6. Step 6: Final answer
   x = 2,452,542.10