Finding the Third Proportional to 64,677 and 141,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,677 : 141,376.50 = 141,376.50 : x
2. Step 2: Convert to fraction form
   64,677/141,376.50 = 141,376.50/x
3. Step 3: Cross multiply
   64,677x = 141,376.50 × 141,376.50
4. Step 4: Simplify right side
   64,677x = 19,987,314,752.25
5. Step 5: Solve for x
   x = 19,987,314,752.25/64,677
6. Step 6: Final answer
   x = 309,032.81