Finding the Third Proportional to 670,152 and 1,445,280

Step by Step Solution

1. Step 1: Write the proportion equation
   670,152 : 1,445,280 = 1,445,280 : x
2. Step 2: Convert to fraction form
   670,152/1,445,280 = 1,445,280/x
3. Step 3: Cross multiply
   670,152x = 1,445,280 × 1,445,280
4. Step 4: Simplify right side
   670,152x = 2,088,834,278,400
5. Step 5: Solve for x
   x = 2,088,834,278,400/670,152
6. Step 6: Final answer
   x = 3,116,955.97