Finding the Third Proportional to 58,191,696 and 91,285,380

Step by Step Solution

1. Step 1: Write the proportion equation
   58,191,696 : 91,285,380 = 91,285,380 : x
2. Step 2: Convert to fraction form
   58,191,696/91,285,380 = 91,285,380/x
3. Step 3: Cross multiply
   58,191,696x = 91,285,380 × 91,285,380
4. Step 4: Simplify right side
   58,191,696x = 8,333,020,601,744,400
5. Step 5: Solve for x
   x = 8,333,020,601,744,400/58,191,696
6. Step 6: Final answer
   x = 143,199,479.90