Finding the Third Proportional to 156,913.50 and 345,498

Step by Step Solution

1. Step 1: Write the proportion equation
   156,913.50 : 345,498 = 345,498 : x
2. Step 2: Convert to fraction form
   156,913.50/345,498 = 345,498/x
3. Step 3: Cross multiply
   156,913.50x = 345,498 × 345,498
4. Step 4: Simplify right side
   156,913.50x = 119,368,868,004
5. Step 5: Solve for x
   x = 119,368,868,004/156,913.50
6. Step 6: Final answer
   x = 760,730.39