Finding the Third Proportional to 56,610 and 76,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,610 : 76,612.50 = 76,612.50 : x
2. Step 2: Convert to fraction form
   56,610/76,612.50 = 76,612.50/x
3. Step 3: Cross multiply
   56,610x = 76,612.50 × 76,612.50
4. Step 4: Simplify right side
   56,610x = 5,869,475,156.25
5. Step 5: Solve for x
   x = 5,869,475,156.25/56,610
6. Step 6: Final answer
   x = 103,682.66