Finding the Third Proportional to 670,098 and 1,445,172

Step by Step Solution

1. Step 1: Write the proportion equation
   670,098 : 1,445,172 = 1,445,172 : x
2. Step 2: Convert to fraction form
   670,098/1,445,172 = 1,445,172/x
3. Step 3: Cross multiply
   670,098x = 1,445,172 × 1,445,172
4. Step 4: Simplify right side
   670,098x = 2,088,522,109,584
5. Step 5: Solve for x
   x = 2,088,522,109,584/670,098
6. Step 6: Final answer
   x = 3,116,741.30