Finding the Third Proportional to 39,127.64 and 58,699.69

Step by Step Solution

1. Step 1: Write the proportion equation
   39,127.64 : 58,699.69 = 58,699.69 : x
2. Step 2: Convert to fraction form
   39,127.64/58,699.69 = 58,699.69/x
3. Step 3: Cross multiply
   39,127.64x = 58,699.69 × 58,699.69
4. Step 4: Simplify right side
   39,127.64x = 3,445,653,312.60
5. Step 5: Solve for x
   x = 3,445,653,312.60/39,127.64
6. Step 6: Final answer
   x = 88,061.87