Finding the Third Proportional to 66,897 and 91,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   66,897 : 91,714.50 = 91,714.50 : x
2. Step 2: Convert to fraction form
   66,897/91,714.50 = 91,714.50/x
3. Step 3: Cross multiply
   66,897x = 91,714.50 × 91,714.50
4. Step 4: Simplify right side
   66,897x = 8,411,549,510.25
5. Step 5: Solve for x
   x = 8,411,549,510.25/66,897
6. Step 6: Final answer
   x = 125,738.82