Finding the Third Proportional to 57,775,855.50 and 89,748,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,775,855.50 : 89,748,931.50 = 89,748,931.50 : x
2. Step 2: Convert to fraction form
   57,775,855.50/89,748,931.50 = 89,748,931.50/x
3. Step 3: Cross multiply
   57,775,855.50x = 89,748,931.50 × 89,748,931.50
4. Step 4: Simplify right side
   57,775,855.50x = 8,054,870,705,391,692
5. Step 5: Solve for x
   x = 8,054,870,705,391,692/57,775,855.50
6. Step 6: Final answer
   x = 139,415,862.14