Finding the Third Proportional to 28,345.50 and 61,871.63

Step by Step Solution

1. Step 1: Write the proportion equation
   28,345.50 : 61,871.63 = 61,871.63 : x
2. Step 2: Convert to fraction form
   28,345.50/61,871.63 = 61,871.63/x
3. Step 3: Cross multiply
   28,345.50x = 61,871.63 × 61,871.63
4. Step 4: Simplify right side
   28,345.50x = 3,828,097,980.14
5. Step 5: Solve for x
   x = 3,828,097,980.14/28,345.50
6. Step 6: Final answer
   x = 135,051.35