Finding the Third Proportional to 42,143,985 and 91,945,341

Step by Step Solution

1. Step 1: Write the proportion equation
   42,143,985 : 91,945,341 = 91,945,341 : x
2. Step 2: Convert to fraction form
   42,143,985/91,945,341 = 91,945,341/x
3. Step 3: Cross multiply
   42,143,985x = 91,945,341 × 91,945,341
4. Step 4: Simplify right side
   42,143,985x = 8,453,945,731,606,281
5. Step 5: Solve for x
   x = 8,453,945,731,606,281/42,143,985
6. Step 6: Final answer
   x = 200,596,733.59