Finding the Third Proportional to 58,658,426 and 88,742,619

Step by Step Solution

1. Step 1: Write the proportion equation
   58,658,426 : 88,742,619 = 88,742,619 : x
2. Step 2: Convert to fraction form
   58,658,426/88,742,619 = 88,742,619/x
3. Step 3: Cross multiply
   58,658,426x = 88,742,619 × 88,742,619
4. Step 4: Simplify right side
   58,658,426x = 7,875,252,426,979,161
5. Step 5: Solve for x
   x = 7,875,252,426,979,161/58,658,426
6. Step 6: Final answer
   x = 134,256,115.69