Finding the Third Proportional to 55,477,869 and 88,354,069.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,477,869 : 88,354,069.50 = 88,354,069.50 : x
2. Step 2: Convert to fraction form
   55,477,869/88,354,069.50 = 88,354,069.50/x
3. Step 3: Cross multiply
   55,477,869x = 88,354,069.50 × 88,354,069.50
4. Step 4: Simplify right side
   55,477,869x = 7,806,441,597,210,830
5. Step 5: Solve for x
   x = 7,806,441,597,210,830/55,477,869
6. Step 6: Final answer
   x = 140,712,715.50