Finding the Third Proportional to 670,376 and 1,445,704

Step by Step Solution

1. Step 1: Write the proportion equation
   670,376 : 1,445,704 = 1,445,704 : x
2. Step 2: Convert to fraction form
   670,376/1,445,704 = 1,445,704/x
3. Step 3: Cross multiply
   670,376x = 1,445,704 × 1,445,704
4. Step 4: Simplify right side
   670,376x = 2,090,060,055,616
5. Step 5: Solve for x
   x = 2,090,060,055,616/670,376
6. Step 6: Final answer
   x = 3,117,742.96