Finding the Third Proportional to 27,428.63 and 59,869.13

Step by Step Solution

1. Step 1: Write the proportion equation
   27,428.63 : 59,869.13 = 59,869.13 : x
2. Step 2: Convert to fraction form
   27,428.63/59,869.13 = 59,869.13/x
3. Step 3: Cross multiply
   27,428.63x = 59,869.13 × 59,869.13
4. Step 4: Simplify right side
   27,428.63x = 3,584,312,128.27
5. Step 5: Solve for x
   x = 3,584,312,128.27/27,428.63
6. Step 6: Final answer
   x = 130,677.79