Finding the Third Proportional to 55,477,912.50 and 88,354,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,477,912.50 : 88,354,111.50 = 88,354,111.50 : x
2. Step 2: Convert to fraction form
   55,477,912.50/88,354,111.50 = 88,354,111.50/x
3. Step 3: Cross multiply
   55,477,912.50x = 88,354,111.50 × 88,354,111.50
4. Step 4: Simplify right side
   55,477,912.50x = 7,806,449,018,954,432
5. Step 5: Solve for x
   x = 7,806,449,018,954,432/55,477,912.50
6. Step 6: Final answer
   x = 140,712,738.95