Finding the Third Proportional to 57,559,888.50 and 88,562,989.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,559,888.50 : 88,562,989.50 = 88,562,989.50 : x
2. Step 2: Convert to fraction form
   57,559,888.50/88,562,989.50 = 88,562,989.50/x
3. Step 3: Cross multiply
   57,559,888.50x = 88,562,989.50 × 88,562,989.50
4. Step 4: Simplify right side
   57,559,888.50x = 7,843,403,109,177,110
5. Step 5: Solve for x
   x = 7,843,403,109,177,110/57,559,888.50
6. Step 6: Final answer
   x = 136,265,085.18