Finding the Third Proportional to 64,943 and 103,428.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,943 : 103,428.50 = 103,428.50 : x
2. Step 2: Convert to fraction form
   64,943/103,428.50 = 103,428.50/x
3. Step 3: Cross multiply
   64,943x = 103,428.50 × 103,428.50
4. Step 4: Simplify right side
   64,943x = 10,697,454,612.25
5. Step 5: Solve for x
   x = 10,697,454,612.25/64,943
6. Step 6: Final answer
   x = 164,720.67