Finding the Third Proportional to 42,943.50 and 64,886.06

Step by Step Solution

1. Step 1: Write the proportion equation
   42,943.50 : 64,886.06 = 64,886.06 : x
2. Step 2: Convert to fraction form
   42,943.50/64,886.06 = 64,886.06/x
3. Step 3: Cross multiply
   42,943.50x = 64,886.06 × 64,886.06
4. Step 4: Simplify right side
   42,943.50x = 4,210,201,106.75
5. Step 5: Solve for x
   x = 4,210,201,106.75/42,943.50
6. Step 6: Final answer
   x = 98,040.47