Finding the Third Proportional to 57,807,368 and 78,737,172

Step by Step Solution

1. Step 1: Write the proportion equation
   57,807,368 : 78,737,172 = 78,737,172 : x
2. Step 2: Convert to fraction form
   57,807,368/78,737,172 = 78,737,172/x
3. Step 3: Cross multiply
   57,807,368x = 78,737,172 × 78,737,172
4. Step 4: Simplify right side
   57,807,368x = 6,199,542,254,557,584
5. Step 5: Solve for x
   x = 6,199,542,254,557,584/57,807,368
6. Step 6: Final answer
   x = 107,244,845.58