Finding the Third Proportional to 28,454.63 and 42,773.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,454.63 : 42,773.06 = 42,773.06 : x
2. Step 2: Convert to fraction form
   28,454.63/42,773.06 = 42,773.06/x
3. Step 3: Cross multiply
   28,454.63x = 42,773.06 × 42,773.06
4. Step 4: Simplify right side
   28,454.63x = 1,829,534,875.63
5. Step 5: Solve for x
   x = 1,829,534,875.63/28,454.63
6. Step 6: Final answer
   x = 64,296.57