Finding the Third Proportional to 76,435.50 and 115,807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   76,435.50 : 115,807.50 = 115,807.50 : x
2. Step 2: Convert to fraction form
   76,435.50/115,807.50 = 115,807.50/x
3. Step 3: Cross multiply
   76,435.50x = 115,807.50 × 115,807.50
4. Step 4: Simplify right side
   76,435.50x = 13,411,377,056.25
5. Step 5: Solve for x
   x = 13,411,377,056.25/76,435.50
6. Step 6: Final answer
   x = 175,460.06