Finding the Third Proportional to 1,601,670 and 2,157,345

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601,670 : 2,157,345 = 2,157,345 : x
2. Step 2: Convert to fraction form
   1,601,670/2,157,345 = 2,157,345/x
3. Step 3: Cross multiply
   1,601,670x = 2,157,345 × 2,157,345
4. Step 4: Simplify right side
   1,601,670x = 4,654,137,449,025
5. Step 5: Solve for x
   x = 4,654,137,449,025/1,601,670
6. Step 6: Final answer
   x = 2,905,802.97