Finding the Third Proportional to 187,436,868 and 407,113,404

Step by Step Solution

1. Step 1: Write the proportion equation
   187,436,868 : 407,113,404 = 407,113,404 : x
2. Step 2: Convert to fraction form
   187,436,868/407,113,404 = 407,113,404/x
3. Step 3: Cross multiply
   187,436,868x = 407,113,404 × 407,113,404
4. Step 4: Simplify right side
   187,436,868x = 165,741,323,716,467,200
5. Step 5: Solve for x
   x = 165,741,323,716,467,200/187,436,868
6. Step 6: Final answer
   x = 884,251,457.49