Finding the Third Proportional to 302,535 and 402,499.13

Step by Step Solution

1. Step 1: Write the proportion equation
   302,535 : 402,499.13 = 402,499.13 : x
2. Step 2: Convert to fraction form
   302,535/402,499.13 = 402,499.13/x
3. Step 3: Cross multiply
   302,535x = 402,499.13 × 402,499.13
4. Step 4: Simplify right side
   302,535x = 162,005,545,625.77
5. Step 5: Solve for x
   x = 162,005,545,625.77/302,535
6. Step 6: Final answer
   x = 535,493.56