Finding the Third Proportional to 64,854 and 141,070.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,854 : 141,070.50 = 141,070.50 : x
2. Step 2: Convert to fraction form
   64,854/141,070.50 = 141,070.50/x
3. Step 3: Cross multiply
   64,854x = 141,070.50 × 141,070.50
4. Step 4: Simplify right side
   64,854x = 19,900,885,970.25
5. Step 5: Solve for x
   x = 19,900,885,970.25/64,854
6. Step 6: Final answer
   x = 306,856.72