Finding the Third Proportional to 86,820,119 and 180,785,167.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,820,119 : 180,785,167.50 = 180,785,167.50 : x
2. Step 2: Convert to fraction form
   86,820,119/180,785,167.50 = 180,785,167.50/x
3. Step 3: Cross multiply
   86,820,119x = 180,785,167.50 × 180,785,167.50
4. Step 4: Simplify right side
   86,820,119x = 32,683,276,788,003,056
5. Step 5: Solve for x
   x = 32,683,276,788,003,056/86,820,119
6. Step 6: Final answer
   x = 376,448,191.55