Finding the Third Proportional to 58,164,554 and 90,063,855

Step by Step Solution

1. Step 1: Write the proportion equation
   58,164,554 : 90,063,855 = 90,063,855 : x
2. Step 2: Convert to fraction form
   58,164,554/90,063,855 = 90,063,855/x
3. Step 3: Cross multiply
   58,164,554x = 90,063,855 × 90,063,855
4. Step 4: Simplify right side
   58,164,554x = 8,111,497,977,461,025
5. Step 5: Solve for x
   x = 8,111,497,977,461,025/58,164,554
6. Step 6: Final answer
   x = 139,457,752.53