Finding the Third Proportional to 78,364,615 and 182,994,568.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,364,615 : 182,994,568.50 = 182,994,568.50 : x
2. Step 2: Convert to fraction form
   78,364,615/182,994,568.50 = 182,994,568.50/x
3. Step 3: Cross multiply
   78,364,615x = 182,994,568.50 × 182,994,568.50
4. Step 4: Simplify right side
   78,364,615x = 33,487,012,100,501,192
5. Step 5: Solve for x
   x = 33,487,012,100,501,192/78,364,615
6. Step 6: Final answer
   x = 427,323,124.10