Finding the Third Proportional to 346,836 and 756,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   346,836 : 756,700.50 = 756,700.50 : x
2. Step 2: Convert to fraction form
   346,836/756,700.50 = 756,700.50/x
3. Step 3: Cross multiply
   346,836x = 756,700.50 × 756,700.50
4. Step 4: Simplify right side
   346,836x = 572,595,646,700.25
5. Step 5: Solve for x
   x = 572,595,646,700.25/346,836
6. Step 6: Final answer
   x = 1,650,911.80