Finding the Third Proportional to 156,946 and 345,560

Step by Step Solution

1. Step 1: Write the proportion equation
   156,946 : 345,560 = 345,560 : x
2. Step 2: Convert to fraction form
   156,946/345,560 = 345,560/x
3. Step 3: Cross multiply
   156,946x = 345,560 × 345,560
4. Step 4: Simplify right side
   156,946x = 119,411,713,600
5. Step 5: Solve for x
   x = 119,411,713,600/156,946
6. Step 6: Final answer
   x = 760,845.86