Finding the Third Proportional to 58,602,860 and 86,150,316

Step by Step Solution

1. Step 1: Write the proportion equation
   58,602,860 : 86,150,316 = 86,150,316 : x
2. Step 2: Convert to fraction form
   58,602,860/86,150,316 = 86,150,316/x
3. Step 3: Cross multiply
   58,602,860x = 86,150,316 × 86,150,316
4. Step 4: Simplify right side
   58,602,860x = 7,421,876,946,899,856
5. Step 5: Solve for x
   x = 7,421,876,946,899,856/58,602,860
6. Step 6: Final answer
   x = 126,647,009.15