Finding the Third Proportional to 747,438 and 1,120,061

Step by Step Solution

1. Step 1: Write the proportion equation
   747,438 : 1,120,061 = 1,120,061 : x
2. Step 2: Convert to fraction form
   747,438/1,120,061 = 1,120,061/x
3. Step 3: Cross multiply
   747,438x = 1,120,061 × 1,120,061
4. Step 4: Simplify right side
   747,438x = 1,254,536,643,721
5. Step 5: Solve for x
   x = 1,254,536,643,721/747,438
6. Step 6: Final answer
   x = 1,678,449.11