Finding the Third Proportional to 8,557,716 and 19,028,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,557,716 : 19,028,812.50 = 19,028,812.50 : x
2. Step 2: Convert to fraction form
   8,557,716/19,028,812.50 = 19,028,812.50/x
3. Step 3: Cross multiply
   8,557,716x = 19,028,812.50 × 19,028,812.50
4. Step 4: Simplify right side
   8,557,716x = 362,095,705,160,156.25
5. Step 5: Solve for x
   x = 362,095,705,160,156.25/8,557,716
6. Step 6: Final answer
   x = 42,312,189.98