Finding the Third Proportional to 55,624,947.75 and 81,829,603.69

Step by Step Solution

1. Step 1: Write the proportion equation
   55,624,947.75 : 81,829,603.69 = 81,829,603.69 : x
2. Step 2: Convert to fraction form
   55,624,947.75/81,829,603.69 = 81,829,603.69/x
3. Step 3: Cross multiply
   55,624,947.75x = 81,829,603.69 × 81,829,603.69
4. Step 4: Simplify right side
   55,624,947.75x = 6,696,084,039,653,314
5. Step 5: Solve for x
   x = 6,696,084,039,653,314/55,624,947.75
6. Step 6: Final answer
   x = 120,379,151.99