Finding the Third Proportional to 74,300.63 and 112,870.13

Step by Step Solution

1. Step 1: Write the proportion equation
   74,300.63 : 112,870.13 = 112,870.13 : x
2. Step 2: Convert to fraction form
   74,300.63/112,870.13 = 112,870.13/x
3. Step 3: Cross multiply
   74,300.63x = 112,870.13 × 112,870.13
4. Step 4: Simplify right side
   74,300.63x = 12,739,665,117.52
5. Step 5: Solve for x
   x = 12,739,665,117.52/74,300.63
6. Step 6: Final answer
   x = 171,461.08