Finding the Third Proportional to 162,788 and 351,894.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,788 : 351,894.50 = 351,894.50 : x
2. Step 2: Convert to fraction form
   162,788/351,894.50 = 351,894.50/x
3. Step 3: Cross multiply
   162,788x = 351,894.50 × 351,894.50
4. Step 4: Simplify right side
   162,788x = 123,829,739,130.25
5. Step 5: Solve for x
   x = 123,829,739,130.25/162,788
6. Step 6: Final answer
   x = 760,681.00