Finding the Third Proportional to 66,925.50 and 97,870.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,925.50 : 97,870.50 = 97,870.50 : x
2. Step 2: Convert to fraction form
   66,925.50/97,870.50 = 97,870.50/x
3. Step 3: Cross multiply
   66,925.50x = 97,870.50 × 97,870.50
4. Step 4: Simplify right side
   66,925.50x = 9,578,634,770.25
5. Step 5: Solve for x
   x = 9,578,634,770.25/66,925.50
6. Step 6: Final answer
   x = 143,123.84