Finding the Third Proportional to 49,437.84 and 78,602.91

Step by Step Solution

1. Step 1: Write the proportion equation
   49,437.84 : 78,602.91 = 78,602.91 : x
2. Step 2: Convert to fraction form
   49,437.84/78,602.91 = 78,602.91/x
3. Step 3: Cross multiply
   49,437.84x = 78,602.91 × 78,602.91
4. Step 4: Simplify right side
   49,437.84x = 6,178,416,870.95
5. Step 5: Solve for x
   x = 6,178,416,870.95/49,437.84
6. Step 6: Final answer
   x = 124,973.43