Finding the Third Proportional to 286,695 and 455,468.06

Step by Step Solution

1. Step 1: Write the proportion equation
   286,695 : 455,468.06 = 455,468.06 : x
2. Step 2: Convert to fraction form
   286,695/455,468.06 = 455,468.06/x
3. Step 3: Cross multiply
   286,695x = 455,468.06 × 455,468.06
4. Step 4: Simplify right side
   286,695x = 207,451,155,957.50
5. Step 5: Solve for x
   x = 207,451,155,957.50/286,695
6. Step 6: Final answer
   x = 723,595.30