Finding the Third Proportional to 64,562.06 and 139,498.14

Step by Step Solution

1. Step 1: Write the proportion equation
   64,562.06 : 139,498.14 = 139,498.14 : x
2. Step 2: Convert to fraction form
   64,562.06/139,498.14 = 139,498.14/x
3. Step 3: Cross multiply
   64,562.06x = 139,498.14 × 139,498.14
4. Step 4: Simplify right side
   64,562.06x = 19,459,730,148.00
5. Step 5: Solve for x
   x = 19,459,730,148.00/64,562.06
6. Step 6: Final answer
   x = 301,411.22