Finding the Third Proportional to 377,495 and 798,712.50

Step by Step Solution

1. Step 1: Write the proportion equation
   377,495 : 798,712.50 = 798,712.50 : x
2. Step 2: Convert to fraction form
   377,495/798,712.50 = 798,712.50/x
3. Step 3: Cross multiply
   377,495x = 798,712.50 × 798,712.50
4. Step 4: Simplify right side
   377,495x = 637,941,657,656.25
5. Step 5: Solve for x
   x = 637,941,657,656.25/377,495
6. Step 6: Final answer
   x = 1,689,934.06